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Mathematics, 14.06.2021 14:00 mikkilynnpeace1982

Hệ phương trình X2 - X3 = m

2X2 + 2X2 + 7X3 =2

X1 + X2 +4X3 =-3

X1,X2,X3=?

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Hệ phương trình X2 - X3 = m

2X2 + 2X2 + 7X3 =2

X1 + X2 +4X3 =-3

X1...

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