4.7x-1.2=1.7x+3.6
1个回答
移项:4.7x-1.7x=3.6+1.2
即: 3x=4.8
所以: x=1.6
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几道简便运算计算题.1、6x(7+1/7+7+1/7)2、1/8x(1/25x4)x253、(3/4+2/3)x12全部