问题 解答题
8-0.72=0.72×2.5×4=7.2÷0.8=0.64÷1.6=
8.7÷2.9×2.9=4.2÷0.1=7.2+6.5+2.8=1.5×0.75+1.5×0.25=
答案

8-0.72=7.280.72×2.5×4=7.27.2÷0.8=90.64÷1.6=0.4
8.7÷2.9×2.9=8.74.2÷0.1=427.2+6.5+2.8=16.51.5×0.75+1.5×0.25=1.5

判断题
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