问题描述:
解三元一次方程组 3x+7y+z=3.15 (1) 4x+10y+z=4.20(2) x=0.15 y=0.3 z=0.6
3x+7y+z=3.15 (1)
4x+10y+z=4.20(2)
x=0.15 y=0.3 z=0.6
3x+7y+z=3.15 (1)
4x+10y+z=4.20(2)
x=0.15 y=0.3 z=0.6
问题解答:
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