6.4乘2.7+64乘0.73 简便计算

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6.4乘2.7+64乘0.73 简便计算
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6.4乘2.7+64乘0.73 简便计算
6.4乘2.7+64乘0.73 简便计算

6.4乘2.7+64乘0.73 简便计算
6.4乘2.7+64乘0.73
=6.4×﹙2.7+7.3)
=6.4×10
=64

6.4x2.7+64x0.73
=6.4x2.7+6.4x7.3
=6.4x(2.7+7.3)
=6.4x10
=64

6.4×2.7+64×0.73=6.4×2.7+6.4×7.3=6.4×10=64

(64*2.7)/10+(64*7.3)/10=[64*(2.7+7.3)]/10=64*10/10=64