5×0.2×123=0.17×50=0.35×0.5÷0.7=0.25×40=1÷1.25=3.9÷0.01÷39=

发布时间:2020-08-12 00:23:56

5×0.2×123=0.17×50=0.35×0.5÷0.7=0.25×40=1÷1.25=3.9÷0.01÷39=

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解:
5×0.2×123=123               0.17×50=8.5                 0.35×0.5÷0.7=0.25
0.25×40=10                   1÷1.25=0.8                 3.9÷0.01÷39=10
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