57乘以44加44乘以44减44巧算急

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57乘以44加44乘以44减44巧算急
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57乘以44加44乘以44减44巧算急
57乘以44加44乘以44减44巧算

57乘以44加44乘以44减44巧算急
是57×44+44×44-44吗?演变为44×(57+44-1)=44×100=4400

是57×44+44×44-44吗?演变为44×(57+44-1)=44×100=4400

57x44+44x44-44
=(57+44-1)x44
=100x44
=4400