口算我最行． 0.25×2=89.3×0.6=5÷0.25=6.5×6.7+3.5×6.7=9.6÷32=65÷1.3=0.28÷4=50×7.89×0.2=1÷4=28÷0.02=28÷0.5=0.4×3.2×2.5=
网友回答
解：0.25×2=0.5；?????? 89.3×0.6=53.58；?????? 5÷0.25=20；??????? 6.5×6.7+3.5×6.7=67；
9.6÷32=0.3；?????????? 65÷1.3=50；??????????? 0.28÷4=0.07；????? 50×7.89×0.2=78.9；
1÷4=0.25；???????????? 28÷0.02=1400；?????????28÷0.5=56；??????? 0.4×3.2×2.5=3.2；
故