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Сборник Индивидуальных заданий.doc
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Задания для самостоятельного решения.

1 . x1 3x2 + 2x3 = 4,

2x1  3x2 + 3x3 = 3,

–3x1 +12x2 2x3 = 7.

2 . x1 2x2 + 3x3 = 3,

3x1  4x2 + 5x3 = 11,

4x1 4x2 + 7x3 = 7.

3 . x1 + 5x2 + 2x3 = 3,

2x1  7x2 7x3 = 3,

3x1 + 12x2 + 5x3 = 4.

4 . x1 + 3x2 + 2x3 = 5,

3x1  5x2 + 2x3 = 3,

2x1 + 2x2 5x3 = 4.

5 . x1 4x2 + 3x3 = 8,

3x1  4x2 + 5x3 = 8,

–2x1 + 4x2 7x3 = 2.

6 . x1 3x2 + 2x3 = 4,

3x1 12x2 + 2x3 = 1,

2x1  3x2 + 3x3 = 9.

7 . x1 2x2 + 3x3 = 2,

4x1 4x2 + 7x3 = 1,

3x1  4x2 + 5x3 = 4.

8 . x1 + 5x2 2x3 = 1,

3x1 + 12x2 5x3 = 3,

2x1 + 7x2 7x3 = 10.

9 . x1 + 3x2 2x3 = 1,

2x1 + 2x2 + 5x3 = 16,

3x1 + 5x2 + 2x3 = 15.

1 0. x1 4x2 + 3x3 = 3,

2x1  4x2 + 7x3 = 3,

3x1 4x2 + 5x3 = 3.

1 1. x1 + 3x2 2x3 = 4,

2x1 + 3x2 3x3 = 3,

–3x1 12x2 + 2x3 = 7.

1 2. x1 + 2x2 3x3 = 3,

3x1 + 4x2 5x3 =11,

4x1 + 4x2 7x3 = 7.

1 3. x1 5x2 2x3 = 3,

2x1 + 7x2 + 7x3 = 3,

3x1 12x2 5x3 = 4.

1 4. x1 3x2 2x3 = 5,

3x1 + 5x2 2x3 = 3,

2x1 2x2 + 5x3 = 4.

1 5. x1 + 4x2 3x3 = 8,

3x1 + 4x2 5x3 = 8,

2x1 4x2 + 7x3 = 2.

1 6. x1 + 3x2 2x3 = 4,

3x1 + 12x2 2x3 = 1,

2x1 + 3x2 3x3 = 9.

1 7. x1 + 2x2 3x3 = 2,

4x1 + 4x2 7x3 = 1,

3x1 + 4x2 5x3 = 4.

1 8. x1 5x2 + 2x3 = 1,

3x1 12x2 + 5x3 = 3,

2x1  7x2 + 7x3 = 10.

1 9. x1 3x2 + 2x3 = 1,

2x1  2x2 5x3 = 16,

3x1 5x2 2x3 = 15.

2 0. x1 + 4x2 3x3 = 3,

2x1 + 4x2 7x3 = –3,

3x1 + 4x2 5x3 = –3.

2 1. x1 2x2 + 3x3 = 2,

3x1  4x2 + 12x3 = 13,

4x1 4x2 + 11x3 = 15.

2 2. x1  3x2 + 2x3 = 2,

3x1 12x2 + 4x3 = 13,

4x1 11x2 + 4x3 = 15.

2 3. x1 + 3x2 4x3 = 4,

3x1 + 7x2 13x3 = 1,

x1x2 + 3x3 = 3.

2 4. x1 + 4x2 3x3 = 4,

3x1 + 13x2 7x3 = 1,

x1 + 3x2x3 = –3.

2 5. x1 4x2 + 2x3 = 9,

2x1  6x2 + 3x3 = 12,

3x1 + 4x2 – 2x3 = 3.

2 6. x1 2x2 + 4x3 = 9,

2x1  3x2 + 6x3 = 12,

3x1 + 2x2 – 4x3 = 3.

2 7. x1 5x2 + 2x3 = 4,

2x1  8x2 + 6x3 = 14,

4x1 10x2 + 3x3 = 16.

2 8. x1 2x2 + 5x3 = 4,

2x1  6x2 + 8x3 = 14,

4x1 3x2 +10x3 = 16.