0.62×3.6+3.8×0.36怎么简便计算

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0.62×3.6+3.8×0.36怎么简便计算0.62×3.6+3.8×0.36怎么简便计算0.62×3.6+3.8×0.36怎么简便计算0.62×3.6+3.8×0.36=6.2×0.36+3.8×

0.62×3.6+3.8×0.36怎么简便计算
0.62×3.6+3.8×0.36怎么简便计算

0.62×3.6+3.8×0.36怎么简便计算
0.62×3.6+3.8×0.36=6.2×0.36+3.8×0.36=(6.2+3.8)×0.36=10×0.36=3.6

0.62×3.6+3.8×0.36=0.62*10*0.36+3.8*0.36=0.36*(0.62*10+3.8)=0.36*10=3.6