(2x-1)÷0.25-〔.02(x-2) 〕÷0.03=1xxxx
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(2x-1)÷0.25-〔.02(x-2)〕÷0.03=1xxxx(2x-1)÷0.25-〔.02(x-2)〕÷0.03=1xxxx(2x-1)÷0.25-〔.02(x-2)〕÷0.03=1xxxx都
(2x-1)÷0.25-〔.02(x-2) 〕÷0.03=1xxxx
(2x-1)÷0.25-〔.02(x-2) 〕÷0.03=1
xxxx
(2x-1)÷0.25-〔.02(x-2) 〕÷0.03=1xxxx
都乘以7.5 你就会做了!
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