25乘0.35+2.4乘1.5用简便方法计算

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25乘0.35+2.4乘1.5用简便方法计算25乘0.35+2.4乘1.5用简便方法计算25乘0.35+2.4乘1.5用简便方法计算25×0.35+2.4×1.5=2.5×3.5+(2.5-1)×1.

25乘0.35+2.4乘1.5用简便方法计算
25乘0.35+2.4乘1.5用简便方法计算

25乘0.35+2.4乘1.5用简便方法计算
25×0.35+2.4×1.5
=2.5×3.5+(2.5-1)×1.5
=2.5×3.5+2.5×1.5-1×1.5
=2.5×(3.5+1.5)-1.5
=2.5×5-1.5
=12.5-1.5
=11