简便：（1）18÷0.75×0.75 （2）12.5×0.7×0.8 (3)0.25×4.35-0.25×0.35 = = = = = = = = =
题目
简便：（1）18÷0.75×0.75 （2）12.5×0.7×0.8 (3)0.25×4.35-0.25×0.35 = = = = = = = = =
答案
原式=18
原式=12.5×0.8×0.7=10×0.7=7
原式=0.25×（4.35-0.35）=0.25×4=1
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