199乘以50/13简算
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199乘以50/13简算199乘以50/13简算199乘以50/13简算199×(50/13)=(200-1)×(50/13)=200×(50/13)-1×(50/13)=52-50/13=51又50
199乘以50/13简算
199乘以50/13简算
199乘以50/13简算
199×(50/13)
=(200-1)×(50/13)
=200×(50/13)-1×(50/13)
=52-50/13
=51又50分之37
199乘以50/13简算
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