Mathematics, 21.06.2021 04:00 Doogsterr

Giải hệ phương trình tuyến tính x1 +2x2 + x3-2x4 =0 3x1+5x2 - 2x3-x4=0 4x1+2x2-x3-3x4=0 10x1+12x2-5x3-5x4=0

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Giải hệ phương trình tuyến tính x1 +2x2 + x3-2x4 =0 3x1+5x2 - 2x3-x4=0 4x1+2x2-x3-3x4=0 10x1+12x2-5x...

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