那28.7÷()=478.3·········0.002()中怎么填

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那28.7÷()=478.3·········0.002()中怎么填那28.7÷()=478.3·········0.002()中怎么填那28.7÷()=478.3·········0.002()中怎

那28.7÷()=478.3·········0.002()中怎么填
那28.7÷()=478.3·········0.002()中怎么填

那28.7÷()=478.3·········0.002()中怎么填
由被除数÷除数=商·········余数
∴(被除数-余数)÷除数=商
∴(被除数-余数)÷商=除数
∴除数=(28.7-0.002)÷478.3=0.06