111×3分之5-4×28要简便算法,也可以不用简便,但要拖式
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111×3分之5-4×28要简便算法,也可以不用简便,但要拖式
![111×3分之5-4×28要简便算法,也可以不用简便,但要拖式](/uploads/image/z/3088022-14-2.jpg?t=111%C3%973%E5%88%86%E4%B9%8B5-4%C3%9728%E8%A6%81%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%2C%E4%B9%9F%E5%8F%AF%E4%BB%A5%E4%B8%8D%E7%94%A8%E7%AE%80%E4%BE%BF%2C%E4%BD%86%E8%A6%81%E6%8B%96%E5%BC%8F)
111X(5/3)-4X28
=3X37X(5/3)-4X28
=37X5-4X28
=37X(4+1)-4X28
=37X4+37-4X28
=4X(37-28)+37
=4×9+37
=73
=3X37X(5/3)-4X28
=37X5-4X28
=37X(4+1)-4X28
=37X4+37-4X28
=4X(37-28)+37
=4×9+37
=73