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66乘35加35加33乘55用简便计算
人气:364 ℃ 时间:2019-12-21 12:11:15
解答
66*35+35+33*55
=35*(66+1)+33*55
=35*67+33*(35+20)
=35*(67+33)+33*20
=3500+660
=4160
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