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](/uploads/image/z/2882802-66-2.jpg?t=6.4%E4%B9%982.7%2B64%E4%B9%980.73+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
6.4乘2.7+64乘0.73
=6.4×﹙2.7+7.3)
=6.4×10
=64
再问: 是6.4和64。不是两个6.4啊
再答: 6.4乘2.7+64乘0.73 =6.4×2.7+6.4×10×0.73 =6.4×2.7+6.4×7.3 =6.4×﹙2.7+7.3) =6.4×10 =64
=6.4×﹙2.7+7.3)
=6.4×10
=64
再问: 是6.4和64。不是两个6.4啊
再答: 6.4乘2.7+64乘0.73 =6.4×2.7+6.4×10×0.73 =6.4×2.7+6.4×7.3 =6.4×﹙2.7+7.3) =6.4×10 =64