商是2
所以被除數(shù)是除數(shù)的2倍
被除數(shù)+除數(shù)=212-2=210
210×1÷(1+2)=70
210×2÷(1+2)=140
答:被除數(shù)是140,除數(shù)是70
被除數(shù),除數(shù),商三個數(shù)的和是212,已知商是2,被除數(shù)和除數(shù)各是多少
被除數(shù),除數(shù),商三個數(shù)的和是212,已知商是2,被除數(shù)和除數(shù)各是多少
數(shù)學人氣:231 ℃時間:2020-01-30 01:31:25
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