3.25×1.36+32.5×0.064-3.25简便计算
3个回答
3.25×1.36+32.5×0.064-3.25
=3.25×1.36+3.25×0.64-3.25
=3.25*(1.36+0.64-1)
=3.25*1
=3.25
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