
книги / 10 класс. Математика. Диагностическая работа 1. (вар. 0201-0216) 21.05.2013г (с отв)
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Ⱦɢ ɝɧɨɫɬɢɱɟɫɤ ɹ ɪ ɨɬ ʋ 1
ɩɨ ɆȺɌȿɆȺɌɂɄȿ
21 ɦ ɹ 2013 ɝɨɞ
ɤɥ 10ɫɫ
ȼ ɪɢ ɧɬ ɆȺ0216 (ɜɨɫɬɨɤ ɟɡ ɩɪɨɢɡɜɨɞɧɵ )
.
Ɋɚɣɨɧ Ƚɨɪɨɞ (ɧɚɫɟɥɺɧɧɵɣ ɩɭɧɤɬ)
ɒɤɨɥɚ
Ʉɥɚɫɫ
Ɏɚɦɢɥɢɹ
ɂɦɹ
Ɉɬɱɟɫɬɜɨ
© ɋɬɚɬȽɪɚɞ 2013 ɝ
Ɇɚɬɟɦɚɬɢɤɚɤɥɚɫɫ10ȼɚɪɢɚɧɬ Ɇ 0216 (ɜɨɫɬɨɤ ɛɟɡ ɩɪɨɢɡɜɨɞɧɵɯ) 2
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ɂɧɫɬɪɭɤɰɢɹ ɩɨ ɜɵɩɨɥɧɟɧɢɸ ɪ ɨɬɵ |
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ɇɚ ɜɵɩɨɥɧɟɧɢɟ ɞɢɚɝɧɨɫɬɢɱɟɫɤɨɣ ɪɚɛɨɬɵ ɩɨ ɦɚɬɟɦɚɬɢɤɟ ɞɚɺɬɫɹɦɢɧɭɬ235 |
. Ɋɚɛɨɬɚ |
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ɫɨɫɬɨɢɬ ɢɡ ɞɜɭɯ ɱɚɫɬɟɣ ɢ ɫɨɞɟɪɠɢɬ 20 ɡɚɞɚɧɢɣ. |
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ɑɚɫɬɶ14 |
1 ɫɨɞɟɪɠɢɬ |
ɡɚɞɚɧɢɣ ɫ ɤɪɚɬɤɢɦ ɨɬɜɟɬɨɦ (ȼȼ1– 14) ɛɚɡɨɜɨɝɨ ɭɪɨɜɧɹ ɩɨ |
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ɦɚɬɟɪɢɚɥɭ |
ɤɭɪɫɚ ɦɚɬɟɦɚɬɢɤɢ Ɂɚɞɚɧɢɹ ɱɚɫɬɢ 1 ɫɱɢɬɚɸɬɫɹ ɜɵɩɨɥɧɟɧɧɵɦɢ, ɟɫɥɢ |
ɷɤɡɚɦɟɧɭɟɦɵɣ ɞɚɥ ɜɟɪɧɵɣ ɨɬɜɟɬ ɜ ɜɢɞɟ ɰɟɥɨɝɨ ɱɢɫɥɚ ɢɥɢ ɤɨɧɟɱɧɨɣ ɞɟɫɹɬɢɱɧɨɣ ɞɪɨɛɢ. ɑɚɫɬɶ 2 ɫɨɞɟɪɠɢɬ 6 ɛɨɥɟɟ ɫɥɨɠɧɵɯ ɡɚɞɚɧɢɣ (ɋɋ1– 6) ɩɨ ɦɚɬɟɪɢɚɥɭ ɤɭɪɫɚ
ɦɚɬɟɦɚɬɢɤɢ. ɉɪɢ ɢɯ ɜɵɩɨɥɧɟɧɢɢ ɧɚɞɨ ɡɚɩɢɫɚɬɶ ɩɨɥɧɨɟ ɪɟɲɟɧɢɟ ɢ ɨɬɜɟɬ.
ɋɨɜɟɬɭɟɦ ɞɥɹ ɷɤɨɧɨɦɢɢ ɜɪɟɦɟɧɢ ɩɪɨɩɭɫɤɚɬɶ ɡɚɞɚɧɢɟ, ɤɨɬɨɪɨɟ ɧɟ ɭɞɚɺɬɫɹ ɜɵɩɨɥɧɢɬɶ ɫɪɚɡɭ, ɢ ɩɟɪɟɯɨɞɢɬɶ ɤ ɫɥɟɞɭɸɳɟɦɭ. Ʉ ɜɵɩɨɥɧɟɧɢɸ ɩɪɨɩɭɳɟɧɧɵɯ ɡɚɞɚɧɢɣ ɦɨɠɧɨ ɜɟɪɧɭɬɶɫɹ, ɟɫɥɢ ɭ ȼɚɫ ɨɫɬɚɧɟɬɫɹ ɜɪɟɦɹ.
ɀɟɥɚɟɦ ɭɫɩɟɯɚ!
© ɋɬɚɬȽɪɚɞ 2013 ɝ

Ɇɚɬɟɦɚɬɢɤɚɤɥɚɫɫ10ȼɚɪɢɚɧɬ Ɇ |
0216 (ɜɨɫɬɨɤ ɛɟɡ ɩɪɨɢɡɜɨɞɧɵɯ) |
3 |
ɑ ɫɬɶ 1
Ɉɬɜɟɬɨɦ ɧɚ ɡɚɞɚɧɢɹ ȼ1–ȼ14 ɞɨɥɠɧɨ ɛɵɬɶ ɰɟɥɨɟ ɱɢɫɥɨ ɢɥɢ ɤɨɧɟɱɧɚɹ ɞɟɫɹɬɢɱɧɚɹ ɞɪɨɛɶ. Ɉɬɜɟɬ ɫɥɟɞɭɟɬ ɡɚɩɢɫɚɬɶ ɜ ɛɥɚɧɤ ɨɬɜɟɬɨɜ ʋ 1 ɫɩɪɚɜɚ ɨɬ ɧɨɦɟɪɚ ɜɵɩɨɥɧɹɟɦɨɝɨ ɡɚɞɚɧɢɹ, ɧɚɱɢɧɚɹ ɫ ɩɟɪɜɨɣ ɤɥɟɬɨɱɤɢ. Ʉɚɠɞɭɸ ɰɢɮɪɭ, ɡɧɚɤ ɦɢɧɭɫ ɢ ɡɚɩɹɬɭɸ ɩɢɲɢɬɟ ɜ ɨɬɞɟɥɶɧɨɣ ɤɥɟɬɨɱɤɟ ɜ ɫɨɨɬɜɟɬɫɬɜɢɢ ɫ ɩɪɢɜɟɞɺɧɧɵɦɢ ɜ ɛɥɚɧɤɟ ɨɛɪɚɡɰɚɦɢ. ȿɞɢɧɢɰɵ ɢɡɦɟɪɟɧɢɣ ɩɢɫɚɬɶ ɧɟ ɧɭɠɧɨ.
B1 ɉɪɢ ɨɩɥɚɬɟ ɭɫɥɭɝ ɱɟɪɟɡ ɩɥɚɬɺɠɧɵɣ ɬɟɪɦɢɧɚɥ ɜɡɢɦɚɟɬɫɹ ɤɨɦɢɫɫɢɹ 8%. Ɍɟɪɦɢɧɚɥ ɩɪɢɧɢɦɚɟɬ ɫɭɦɦɵ, ɤɪɚɬɧɵɟ 10 ɪɭɛɥɹɦ. Ɇɟɫɹɱɧɚɹ ɩɥɚɬɚ ɡɚ ɢɧɬɟɪɧɟɬ ɫɨɫɬɚɜɥɹɟɬ 550 ɪɭɛɥɟɣ. Ʉɚɤɭɸ ɦɢɧɢɦɚɥɶɧɭɸ ɫɭɦɦɭ (ɜ ɪɭɛɥɹɯ) ɧɟɨɛɯɨɞɢɦɨ ɩɨɥɨɠɢɬɶ ɜ ɩɪɢɺɦɧɨɟ ɭɫɬɪɨɣɫɬɜɨ ɬɟɪɦɢɧɚɥɚ, ɱɬɨɛɵ ɧɚ ɫɱɟɬɭ ɮɢɪɦɵ, ɩɪɟɞɨɫɬɚɜɥɹɸɳɟɣ ɢɧɬɟɪɧɟɬ ɭɫɥɭɝɢ, ɨɤɚɡɚɥɚɫɶ ɫɭɦɦɚ, ɧɟ ɦɟɧɶɲɚɹ 550 ɪɭɛɥɟɣ?
Ɉɬɜɟɬ:
B2 ɇɚ ɞɢɚɝɪɚɦɦɟ ɩɨɤɚɡɚɧɚ ɫɪɟɞɧɟɦɟɫɹɱɧɚɹ ɬɟɦɩɟɪɚɬɭɪɚ ɜɨɡɞɭɯɚ ɜ Ɇɢɧɫɤɟ ɡɚ ɤɚɠɞɵɣ ɦɟɫɹɰ 2003 ɝɨɞɚ. ɉɨ ɝɨɪɢɡɨɧɬɚɥɢ ɭɤɚɡɵɜɚɸɬɫɹ ɦɟɫɹɰɵ, ɩɨ ɜɟɪɬɢɤɚɥɢ — ɬɟɦɩɟɪɚɬɭɪɚ ɜ ɝɪɚɞɭɫɚɯ ɟɥɶɫɢɹ Ɉɩɪɟɞɟɥɢɬɟ ɩɨ ɞɢɚɝɪɚɦɦɟ, ɫɤɨɥɶɤɨ ɛɵɥɨ ɦɟɫɹɰɟɜ ɜ ɝɨɞɭ, ɤɨɝɞɚ ɫɪɟɞɧɟɦɟɫɹɱɧɚɹ ɬɟɦɩɟɪɚɬɭɪɚ ɛɵɥɚ ɩɨɥɨɠɢɬɟɥɶɧɨɣ.
Ɉɬɜɟɬ:
© ɋɬɚɬȽɪɚɞ 2013 ɝ
Ɇɚɬɟɦɚɬɢɤɚɤɥɚɫɫ10ȼɚɪɢɚɧɬ Ɇ |
0216 (ɜɨɫɬɨɤ ɛɟɡ ɩɪɨɢɡɜɨɞɧɵɯ) |
4 |
B3 ɇɚɣɞɢɬɟ ɩɥɨɳɚɞɶu ɪɨɦɛɚ, ɢɡɨɛɪɚɠɺɧɧɨɝɨ ɧɚ ɤɥɟɬɱɚɬɨɣ ɛɭɦɚɝɟ ɫ ɪɚɡɦɟɪɨɦ ɤɥɟɬɤɢɫɦ1 1 ɫɦ (ɫɦ. ɪɢɫ.). Ɉɬɜɟɬ ɞɚɣɬɟ ɜ ɤɜɚɞɪɚɬɧɵɯ ɫɚɧɬɢɦɟɬɪɚɯ.
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Ɉɬɜɟɬ: |
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B4 |
ɋɟɦɶɹ ɢɡ ɬɪɺɯ ɱɟɥɨɜɟɤ ɩɥɚɧɢɪɭɟɬ ɩɨɟɯɚɬɶ ɢɡ Ɇɨɫɤɜɵ ɜ ɑɟɛɨɤɫɚɪɵ. Ɇɨɠɧɨ |
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ɟɯɚɬɶ ɩɨɟɡɞɨɦ— , ɚ ɦɨɠɧɨ |
ɧɚ ɫɜɨɟɣ ɦɚɲɢɧɟ. Ȼɢɥɟɬ |
ɧɚ ɩɨɟɡɞ |
ɧɚ ɨɞɧɨɝɨ |
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ɱɟɥɨɜɟɤɚ ɫɬɨɢɬ 850 ɪɭɛɥɟɣ. |
ɜɬɨɦɨɛɢɥɶ ɪɚɫɯɨɞɭɟɬ 15 |
ɥɢɬɪɨɜ ɛɟɧɡɢɧɚ ɧɚ |
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100 ɤɢɥɨɦɟɬɪɨɜ ɩɭɬɢ, ɪɚɫɫɬɨɹɧɢɟ ɩɨ ɲɨɫɫɟ ɪɚɜɧɨ 700 ɤɦ, ɚ ɰɟɧɚ ɛɟɧɡɢɧɚ ɪɚɜɧɚ |
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20 ɪɭɛɥɟɣ ɡɚ ɥɢɬɪ. ɋɤɨɥɶɤɨ ɪɭɛɥɟɣ ɩɪɢɞɺɬɫɹ ɡɚɩɥɚɬɢɬɶ ɡɚ ɧɚɢɛɨɥɟɟ ɞɟɲɺɜɭɸ |
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ɩɨɟɡɞɤɭ ɧɚ ɬɪɨɢɯ? |
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Ɉɬɜɟɬ: |
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B5 |
ɇɚɣɞɢɬɟ ɤɨɪɟɧɶ ɭɪɚɜɧɟɧɢɹ log5(5 x) 3. |
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Ɉɬɜɟɬ: |
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B6 |
ɑɟɬɵɪɺɯɭɝɨɥɶɧɢɤ ABCD ɜɩɢɫɚɧ ɜ ɨɤɪɭɠɧɨɫɬɶ, |
. ɍɝɨɥ ABC ɪɚɜɟɧ 46q |
ɭɝɨɥ CAD |
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ɪɚɜɟɧ 37q. ɇɚɣɞɢɬɟ ɭɝɨɥ ABD. Ɉɬɜɟɬ ɞɚɣɬɟ ɜ ɝɪɚɞɭɫɚɯ. |
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Ɉɬɜɟɬ:
© ɋɬɚɬȽɪɚɞ 2013 ɝ




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Ɇɚɬɟɦɚɬɢɤɚ 10 ɤɥɚɫɫ ȼɚɪɢɚɧɬ ɆȺ 0201-0203 |
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(ɛɟɡ ɥɨɝɚɪɢɮɦɨɜ) |
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1 |
Ɇɚɬɟɦɚɬɢɤɚɤɥɚɫɫ10ȼɚɪɢɚɧɬ ɆȺ |
0201-0203 |
(ɛɟɡ ɥɨɝɚɪɢɮɦɨɜ) |
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2 |
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Ʉɪɢɬɟɪɢɢ ɨ ɟɧɢɜɚɧɢɹ ɡɚɞɚɧɢɣ ɫ ɪɚɡɜɺɪɧɭɬɵɦ ɨɬɜɟɬɨɦ |
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C2 |
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Ɉɫɧɨɜɚɧɢɟ ɩɪɹɦɨɣ ɩɪɢɡɦɵ ABCDA1B1C1D1 — ɪɨɦɛ ABCD ɫ ɭɝɥɨɦ A, ɪɚɜɧɵɦ |
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60q, |
ɢ ɫɬɨɪɨɧɨɣ2. , ɪɚɜɧɨɣ |
ɇɚɣɞɢɬɟ |
ɜɵɫɨɬɭ ɩɪɢɡɦɵ, |
ɟɫɥɢ |
ɭɝɨɥ |
ɦɟɠɞɭ |
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C1 |
ɚ) Ɋɟɲɢɬɟ ɭɪɚɜɧɟɧɢɟ |
1 |
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2. |
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ɩɥɨɫɤɨɫɬɹɦɢ A1BC ɢ ABC ɪɚɜɟɧ 30q. |
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sin2x |
sinx |
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Ɋɟɲɟɧ |
ɟ. |
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ɛ) |
ɇɚɣɞɢɬɟ |
ɜɫɟ |
ɤɨɪɧɢ |
ɷɬɨɝɨ |
ɭɪɚɜɧɟɧɢɹ, |
ɩɪɢɧɚɞɥɟɠɚɳɢɟ |
ɩɪɨɦɟɠɭɬɤɭ |
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ɉɨɫɤɨɥɶɤɭ ɩɪɢɡɦɚ ɩɪɹɦɚɹ, ɬɨ ɥɸɛɚɹ ɩɪɹɦɚɹ, ɩɚɪɚɥɥɟɥɶɧɚɹ ɪɟɛɪɭ AA1, ɩɟɪɩɟɧɞɢɤɭɥɹɪɧɚ |
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ª |
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5ʌ |
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3ʌ º |
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« |
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». |
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ɩɥɨɫɤɨɫɬɢ ABC. ɉɭɫɬɶ G ɢ F — ɫɟɪɟɞɢɧɵ ɪɺɛɟɪ A1D1 ɢ AD ɫɨɨɬɜɟɬɫɬɜɟɧɧɨ, ɬɨɝɞɚ |
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¬ |
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¼ |
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GF |
AA1 ɢ ɩɨɷɬɨɦɭ GF – ɜɵɫɨɬɚ ɩɪɢɡɦɵ ɢ GF A ABC. |
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Ɋɟɲɟɧ |
ɟ. |
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ɉɨɫɤɨɥɶɤɭ BF – ɦɟɞɢɚɧɚ ɩɪɚɜɢɥɶɧɨɝɨ ɬɪɟɭɝɨɥɶɧɢɤɚ ABD, ɬɨ BF – ɟɝɨ ɜɵɫɨɬɚ, ɩɪɢɱɺɦ |
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ɚ) ɋɞɟɥɚɟɦ ɡɚɦɟɧɭ t |
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. ɉɨɥɭɱɢɦ ɤɜɚɞɪɚɬɧɨɟ ɭɪɚɜɧɟɧɢɟ ɨɬɧɨɫɢɬɟɥɶɧɨ t: |
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1 |
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BF |
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3. Ɂɧɚɱɢɬ, |
FB A AD. |
Ɉɬɫɸɞɚ FB A BC, |
ɩɨɫɤɨɥɶɤɭ |
BC |
AD. |
ɉɪɹɦɚɹ FB |
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sinx |
t2 |
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t |
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0; (t |
1)(t |
2) |
0; |
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ɩɪɨɟɤɰɢɹ ɩɪɹɦɨɣ GB ɧɚ ɩɥɨɫɤɨɫɬɶ ABC, |
ɫɥɟɞɨɜɚɬɟɥɶɧɨ, GB A BC ɩɨ ɬɟɨɪɟɦɟ ɨ ɬɪɺɯ |
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ɩɟɪɩɟɧɞɢɤɭɥɹɪɚɯ. Ɉɬɫɸɞɚ ɫɥɟɞɭɟɬ, |
ɱɬɨ |
GBF |
ɥɢɧɟɣɧɵɣ ɭɝɨɥ ɞɜɭɝɪɚɧɧɨɝɨ ɭɝɥɚ, |
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sinx |
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ɨɛɪɚɡɨɜɚɧɧɨɝɨ ɩɥɨɫɤɨɫɬɹɦɢ A1BC ɢ ABC. ɂɡ ɭɫɥɨɜɢɹ |
GBF |
30q. ɂɡ ɩɪɹɦɨɭɝɨɥɶɧɨɝɨ |
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ɬɪɟɭɝɨɥɶɧɢɤɚ GFB ɧɚɯɨɞɢɦ GF |
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ɛ) ɉɪɢ ɩɨɦɨɳɢ ɬɪɢɝɨɧɨɦɟɬɪɢɱɟɫɤɨɣ |
ɨɤɪɭɠɧɨɫɬɢ |
ɨɬɛɟɪɺɦ |
ɤɨɪɧɢ, |
ɩɪɢɧɚɞɥɟɠɚɳɢɟ |
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ɨɬɪɟɡɤɭ « |
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Ɉɬɜɟɬ: 1. |
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Ɉɬɜɟɬ |
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ɛ) |
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ɋɨɞɟɪɠɚɧɢɟ ɤɪɢɬɟɪɢɹ |
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Ȼɚɥɥɵ |
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Ɉɛɨɫɧɨɜɚɧɧɨ ɩɨɥɭɱɟɧ ɜɟɪɧɵɣ ɨɬɜɟɬ |
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3ʌ . |
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Ɋɟɲɟɧɢɟ ɫɨɞɟɪɠɢɬ ɨɛɨɫɧɨɜɚɧɧɵɣ ɩɟɪɟɯɨɞ ɤ ɩɥɚɧɢɦɟɬɪɢɱɟɫɤɨɣ ɡɚɞɚɱɟ, |
ɧɨ |
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ɩɨɥɭɱɟɧ ɧɟɜɟɪɧɵɣ ɨɬɜɟɬ ɢɥɢ ɪɟɲɟɧɢɟ ɧɟ ɡɚɤɨɧɱɟɧɨ. |
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ɂɅɂ |
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ɋɨɞɟɪɠɚɧɢɟ ɤɪɢɬɟɪɢɹ |
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Ȼɚɥɥɵ |
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ɉɪɢ ɩɪɚɜɢɥɶɧɨɦ ɨɬɜɟɬɟ ɪɟɲɟɧɢɟ ɧɟɞɨɫɬɚɬɨɱɧɨ ɨɛɨɫɧɨɜɚɧɨ |
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Ɉɛɨɫɧɨɜɚɧɧɨ ɩɨɥɭɱɟɧɵ ɜɟɪɧɵɟ ɨɬɜɟɬɵ ɜ ɩ. |
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) ɢ ɜ ɩ. ɛ) |
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Ɋɟɲɟɧɢɟ ɧɟ ɫɨɨɬɜɟɬɫɬɜɭɟɬ ɧɢ ɨɞɧɨɦɭ ɢɡ ɤɪɢɬɟɪɢɟɜ, ɩɟɪɟɱɢɫɥɟɧɧɵɯ ɜɵɲɟ |
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Ɉɛɨɫɧɨɜɚɧɧɨ ɩɨɥɭɱɟɧ ɜɟɪɧɵɣ ɨɬɜɟɬ ɜ ɩ.) |
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, ɧɨ ɨɛɨɫɧɨɜɚɧɢɟ ɨɬɛɨɪɚ ɤɨɪɧɟɣ |
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Ɇ ɤɫ ɦ ɥɶɧɵ ɛ ɥɥ |
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ɜ ɩ ɛ) ɧɟ. |
ɩɪɢɜɟɞɟɧɨ, ɢɥɢ ɡɚɞɚɱɚ ɜ ɩ |
) ɨɛɨɫɧɨɜɚɧɧɨ ɫɜɟɞɟɧɚ ɤ ɢɫɫɥɟɞɨɜɚɧɢɸ |
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ɩɪɨɫɬɟɣɲɢɯ |
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ɬɪɢɝɨɧɨɦɟɬɪɢɱɟɫɤɢɯ |
ɭɪɚɜɧɟɧɢɣ ɛɟɡ |
ɩɪɟɞɴɹɜɥɟɧɢɹ ɜɟɪɧɨɝɨ |
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ɨɬɜɟɬɚ, ɚ ɜ ɩ. |
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ɛ) ɩɪɢɜɟɞɺɧ ɨɛɨɫɧɨɜɚɧɧɵɣ ɨɬɛɨɪ ɤɨɪɧɟɣ |
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Ɋɟɲɟɧɢɟ ɧɟ ɫɨɨɬɜɟɬɫɬɜɭɟɬ ɧɢ ɨɞɧɨɦɭ ɢɡ ɤɪɢɬɟɪɢɟɜ, ɩɟɪɟɱɢɫɥɟɧɧɵɯ ɜɵɲɟ |
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Ɇ ɤɫ ɦ ɥɶɧɵ |
ɛ ɥɥ |
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© ɋɬɚɬȽɪɚɞ 2013 ɝ |
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© ɋɬɚɬȽɪɚɞ 2013 ɝ |
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Ɇɚɬɟɦɚɬɢɤɚ 10 ɤɥɚɫɫȼɚɪɢɚɧɬ ɆȺ 0201-0203 |
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(ɛɟɡ ɥɨɝɚɪɢɮɦɨɜ) |
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Ɇɚɬɟɦɚɬɢɤɚɤɥɚɫɫ10ȼɚɪɢɚɧɬ ɆȺ |
0201-0203 |
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(ɛɟɡ ɥɨɝɚɪɢɮɦɨɜ) |
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4 |
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C3 |
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C4 |
Ɍɚɧɝɟɧɫ ɭɝɥɚ C |
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ɬɪɟɭɝɨɥɶɧɢɤɚ |
ABC |
ɪɚɜɟɧ |
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, D — ɨɬɥɢɱɧɚɹ ɨɬ |
A ɬɨɱɤɚ |
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Ɋɟɲɢɬɟ ɫɢɫɬɟɦɭ ɧɟɪɚɜɟɧɫɬɜ ® |
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ɩɟɪɟɫɟɱɟɧɢɹ ɨɤɪɭɠɧɨɫɬɟɣ, |
ɩɨɫɬɪɨɟɧɧɵɯ ɧɚ |
ɫɬɨɪɨɧɚɯ AB |
ɢ |
AC |
ɤɚɤ ɧɚ |
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ɞɢɚɦɟɬɪɚɯ ɂɡɜɟɫɬɧɨ, ɱɬɨ DB : DC |
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4 : |
9. ɇɚɣɞɢɬɟ ɭɝɨɥ A. |
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Ɋɟɲɟɧ |
ɟ. |
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Ɋɟɲɟɧ ɟ. |
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Ɍɨɱɤɚ D ɥɟɠɢɬ ɧɚ ɨɤɪɭɠɧɨɫɬɢ ɫ ɞɢɚɦɟɬɪɨɦ AB, ɩɨɷɬɨɦɭ ADB |
90 . Ⱥɧɚɥɨɝɢɱɧɨ, |
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Ɋɟɲɢɦ ɩɟɪɜɨɟ ɧɟɪɚɜɟɧɫɬɜɨ: |
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90 . ɋɥɟɞɨɜɚɬɟɥɶɧɨ, ɬɨɱɤɚ D ɥɟɠɢɬ ɧɚ ɩɪɹɦɨɣ BC. |
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ȼɨɡɦɨɠɧɵ ɞɜɚ ɫɥɭɱɚɹ: ɬɨɱɤɚ |
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ɨɬɪɟɡɤɟ BC (ɪɢɫ. 1), |
ɥɢɛɨ ɧɚ |
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Ɋɟɲɢɦ ɜɬɨɪɨɟ ɧɟɪɚɜɟɧɫɬɜɨɁɚɦɟɧɢɦ. |
ɜ ɱɢɫɥɢɬɟɥɟ ɪɚɡɧɨɫɬɶ ɪɚɡɧɨɫɬɶɸ ɤɜɚɞɪɚɬɨɜ |
. Ɂɧɚɤ |
ɩɪɨɞɨɥɠɟɧɢɢ ɨɬɪɟɡɤɚ BC ɡɚ ɬɨɱɤɭ B (ɪɢɫ. 2). Ɍɨɱɤɚ D ɧɟ ɦɨɠɟɬ ɥɟɠɚɬɶ ɧɚ ɩɪɨɞɨɥɠɟɧɢɢ |
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ɨɬɪɟɡɤɚ BC ɡɚ ɬɨɱɤɭ C, ɬɚɤ ɤɚɤ ɭɝɨɥ ACB — ɨɫɬɪɵɣ. |
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ɱɢɫɥɢɬɟɥɹ ɩɪɢ ɷɬɨɦ ɫɨɯɪɚɧɹɟɬɫɹ. |
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(x2 2x 1)2 |
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(x2 2x 3)(x2 2x 1) |
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(x 1)(x 3)(x 1)2 |
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1 ɢɥɢ |
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ɉɪɢɦɟɧɹɹ ɦɟɬɨɞ ɢɧɬɟɪɜɚɥɨɜ, ɩɨɥɭɱɚɟɦ: |
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ɍɱɢɬɵɜɚɹ, ɱɬɨ 3 |
10, ɧɚɯɨɞɢɦ ɪɟɲɟɧɢɟ ɫɢɫɬɟɦɵ: |
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Ɉɬɜɟɬ: [ 1; 0); 1; [3; |
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10 ]. |
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ɋɨɞɟɪɠɚɧɢɟ ɤɪɢɬɟɪɢɹ |
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Ȼɚɥɥɵ |
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Ɉɛɨɫɧɨɜɚɧɧɨ ɩɨɥɭɱɟɧ ɜɟɪɧɵɣ ɨɬɜɟɬ |
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Ɉɛɨɫɧɨɜɚɧɧɨ |
ɩɨɥɭɱɟɧɵ ɜɟɪɧɵɟ |
ɨɬɜɟɬɵ |
ɜ |
ɨɛɨɢɯ |
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ɧɟɪɚɜɟɧɫɬɜɚɯ |
ɫɢɫɬɟɦɵ |
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Ɋɢɫ. 1 |
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Ɋɢɫ. 2 |
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ɧɟɪɚɜɟɧɫɬɜ |
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Ɉɛɨɫɧɨɜɚɧɧɨ |
ɩɨɥɭɱɟɧ |
ɜɟɪɧɵɣ |
ɨɬɜɟɬ |
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ɨɞɧɨɦ |
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ɧɟɪɚɜɟɧɫɬɜɟ |
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ɫɢɫɬɟɦɵ |
1 |
ɉɨɥɨɠɢɦ DB |
4t, DC |
9t. ɂɡ ɩɪɹɦɨɭɝɨɥɶɧɵɯ ɬɪɟɭɝɨɥɶɧɢɤɨɜ ADC ɢ |
ABD ɧɚɯɨɞɢɦ, |
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ɧɟɪɚɜɟɧɫɬɜ |
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ɱɬɨ |
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Ɋɟɲɟɧɢɟ ɧɟ ɫɨɨɬɜɟɬɫɬɜɭɟɬ ɧɢ ɨɞɧɨɦɭ ɢɡ ɤɪɢɬɟɪɢɟɜ, ɩɟɪɟɱɢɫɥɟɧɧɵɯ ɜɵɲɟ |
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Ɇ ɤɫ ɦ ɥɶɧɵ ɛ ɥɥ |
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AD |
DCtgACB |
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AC |
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36t2 81t2 |
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ȼ ɩɟɪɜɨɦ ɫɥɭɱɚɟ BAC |
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36t2 16t2 |
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90 , ɬɚɤ ɤɚɤ |
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AB2 |
AC2 |
13 (9t2 |
4t2) |
169t2 |
BC2. |
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ȼɨ ɜɬɨɪɨɦ ɫɥɭɱɚɟ ɩɨ ɬɟɨɪɟɦɟ |
ɫɢɧɭɫɨɜ |
sin |
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sin |
C ; ɬɚɤ ɤɚɤ tg C |
2 , ɬɨ |
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, ɩɨɷɬɨɦɭ sin A |
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sin C |
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ɨɬɤɭɞɚ ɧɚɯɨɞɢɦ, ɱɬɨ sin A |
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5t |
2t 13 |
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Ɉɬɜɟɬ 90q ɢɥɢ arcsin 5 . |
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© ɋɬɚɬȽɪɚɞ 2013 ɝ |
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© ɋɬɚɬȽɪɚɞ 2013 ɝ |
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Ɇɚɬɟɦɚɬɢɤɚ 10 ɤɥɚɫɫ ȼɚɪɢɚɧɬ ɆȺ0202-0204 |
(ɛɟɡ ɥɨɝɚɪɢɮɦɨɜ) |
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Ɇɚɬɟɦɚɬɢɤɚɤɥɚɫɫ10ȼɚɪɢɚɧɬ ɆȺ |
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0202-0204 |
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(ɛɟɡ ɥɨɝɚɪɢɮɦɨɜ) |
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C2 |
Ɉɫɧɨɜɚɧɢɟ ɩɪɹɦɨɣ ɩɪɢɡɦɵ ABCDA1B1C1D1 — ɪɨɦɛ ABCD ɫ ɭɝɥɨɦ A, ɪɚɜɧɵɦ |
C3 |
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15 d 0, |
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120q, ɢ ɫɬɨɪɨɧɨɣ |
ɪɚɜɧɨɣ |
4. ɇɚɣɞɢɬɟ |
ɜɵɫɨɬɭ ɩɪɢɡɦɵ, |
ɟɫɥɢ |
ɭɝɨɥ ɦɟɠɞɭ |
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ɩɥɨɫɤɨɫɬɹɦɢ ADC1 ɢ ABC ɪɚɜɟɧ 60q. |
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Ɋɟɲɢɬɟ ɫɢɫɬɟɦɭ ɧɟɪɚɜɟɧɫɬɜ ® |
2 x2 |
4x 2 |
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Ɋɟɲɟɧ |
ɟ. |
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ɉɨɫɤɨɥɶɤɭ ɩɪɢɡɦɚ ɩɪɹɦɚɹ, |
ɬɨ ɛɨɤɨɜɨɟ ɪɟɛɪɨ CC1 ɩɟɪɩɟɧɞɢɤɭɥɹɪɧɨ ɩɥɨɫɤɨɫɬɢ ABC, ɢ |
Ɋɟɲɟɧ ɟ. |
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ɩɨɷɬɨɦɭ CC1 — ɜɵɫɨɬɚ ɩɪɢɡɦɵ, CC1 A (ABC). ɉɭɫɬɶ F ɫɟɪɟɞɢɧɚ ɪɟɛɪɚ AD ɬɨɝɞɚ CF |
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Ɋɟɲɢɦ ɩɟɪɜɨɟ ɧɟɪɚɜɟɧɫɬɜɨ: |
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ɦɟɞɢɚɧɚ ɩɪɚɜɢɥɶɧɨɝɨ ɬɪɟɭɝɨɥɶɧɢɤɚ ACD ɢ, ɡɧɚɱɢɬ, CF ɟɝɨ ɜɵɫɨɬɚ, ɩɪɢɱɺɦ ɋF |
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2 3. |
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ɉɨɫɤɨɥɶɤɭ CF ɩɪɨɟɤɰɢɹ ɋ1F ɧɚ ɩɥɨɫɤɨɫɬɶ ABC |
ɢ CF A AD, ɬɨ C1F A AD ɩɨ ɬɟɨɪɟɦɟ |
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15 . |
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ɨ ɬɪɺɯ ɩɟɪɩɟɧɞɢɤɭɥɹɪɚɯ. Ɉɬɫɸɞɚ ɫɥɟɞɭɟɬ, ɱɬɨ C1FC ɥɢɧɟɣɧɵɣ ɭɝɨɥ ɞɜɭɝɪɚɧɧɨɝɨ |
Ɋɟɲɢɦ ɜɬɨɪɨɟ ɧɟɪɚɜɟɧɫɬɜɨ. Ɂɚɦɟɧɢɦ ɜ ɱɢɫɥɢɬɟɥɟ ɪɚɡɧɨɫɬɶ ɪɚɡɧɨɫɬɶɸ ɤɜɚɞɪɚɬɨɜ. Ɂɧɚɤ |
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ɭɝɥɚ, |
ɨɛɪɚɡɨɜɚɧɧɨɝɨ ɩɥɨɫɤɨɫɬɹɦɢ ADC1 ɢ ABC. ɂɡ ɭɫɥɨɜɢɹ |
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60q. ɂɡ |
ɱɢɫɥɢɬɟɥɹ ɩɪɢ ɷɬɨɦ ɫɨɯɪɚɧɹɟɬɫɹ. |
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ɩɪɹɦɨɭɝɨɥɶɧɨɝɨ ɬɪɟɭɝɨɥɶɧɢɤɚ C1CF ɧɚɯɨɞɢɦ CC1 |
ɋFtg60q |
2 3 |
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ɉɪɢɦɟɧɹɹ ɦɟɬɨɞ ɢɧɬɟɪɜɚɥɨɜ, ɩɨɥɭɱɚɟɦ: x d 0, |
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ɍɱɢɬɵɜɚɹ, ɱɬɨ 3 |
10, ɧɚɯɨɞɢɦ ɪɟɲɟɧɢɟ ɫɢɫɬɟɦɵ |
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Ɉɬɜɟɬ [ 2; 0]; 2; (3; |
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2 d x d 0, x 2, 3 |
x d 15 . |
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15 ]. |
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ɋɨɞɟɪɠɚɧɢɟ ɤɪɢɬɟɪɢɹ |
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Ȼɚɥɥɵ |
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Ɉɛɨɫɧɨɜɚɧɧɨ ɩɨɥɭɱɟɧ ɜɟɪɧɵɣ ɨɬɜɟɬ |
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Ɉɛɨɫɧɨɜɚɧɧɨ |
ɩɨɥɭɱɟɧɵ |
ɜɟɪɧɵɟ |
ɨɬɜɟɬɵ ɜ |
ɨɛɨɢɯ |
ɧɟɪɚɜɟɧɫɬɜɚɯ |
ɫɢɫɬɟɦɵ |
2 |
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ɧɟɪɚɜɟɧɫɬɜ |
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Ɉɛɨɫɧɨɜɚɧɧɨ |
ɩɨɥɭɱɟɧ |
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ɨɬɜɟɬ |
ɜ |
ɨɞɧɨɦ |
ɧɟɪɚɜɟɧɫɬɜɟ |
ɫɢɫɬɟɦɵ |
1 |
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ɧɟɪɚɜɟɧɫɬɜ |
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Ɉɬɜɟɬ: 6. |
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Ɋɟɲɟɧɢɟ ɧɟ ɫɨɨɬɜɟɬɫɬɜɭɟɬ ɧɢ ɨɞɧɨɦɭ ɢɡ ɤɪɢɬɟɪɢɟɜ, ɩɟɪɟɱɢɫɥɟɧɧɵɯ ɜɵɲɟ |
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ɋɨɞɟɪɠɚɧɢɟ ɤɪɢɬɟɪɢɹ |
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Ȼɚɥɥɵ |
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Ɇ ɤɫ ɦ ɥɶɧɵ |
ɛ ɥɥ |
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Ɉɛɨɫɧɨɜɚɧɧɨ ɩɨɥɭɱɟɧ ɜɟɪɧɵɣ ɨɬɜɟɬ |
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Ɋɟɲɟɧɢɟ ɫɨɞɟɪɠɢɬ ɨɛɨɫɧɨɜɚɧɧɵɣ ɩɟɪɟɯɨɞ ɤ ɩɥɚɧɢɦɟɬɪɢɱɟɫɤɨɣ ɡɚɞɚɱɟ, ɧɨ |
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ɩɨɥɭɱɟɧ ɧɟɜɟɪɧɵɣ ɨɬɜɟɬ ɢɥɢ ɪɟɲɟɧɢɟ ɧɟ ɡɚɤɨɧɱɟɧɨ. |
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ɂɅɂ |
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ɉɪɢ ɩɪɚɜɢɥɶɧɨɦ ɨɬɜɟɬɟ ɪɟɲɟɧɢɟ ɧɟɞɨɫɬɚɬɨɱɧɨ ɨɛɨɫɧɨɜɚɧɨ |
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Ɋɟɲɟɧɢɟ ɧɟ ɫɨɨɬɜɟɬɫɬɜɭɟɬ ɧɢ ɨɞɧɨɦɭ ɢɡ ɤɪɢɬɟɪɢɟɜ, ɩɟɪɟɱɢɫɥɟɧɧɵɯ ɜɵɲɟ |
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Ɇ ɤɫ ɦ ɥɶɧɵ |
ɛ ɥɥ |
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© ɋɬɚɬȽɪɚɞ 2013 ɝ |
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© ɋɬɚɬȽɪɚɞ 2013 ɝ |
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