98乘以25乘以50,用简便方法如何计算? - 知识问答

98乘以25乘以50,用简便方法如何计算?

1个回答

98×25×50
=49×2×25×50×4÷4
=49×(2×50)×(25×4)÷4
=490000÷4
=122500

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