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99x37简便计算

99X37 =(100-1)X37 =100X37-1X37 =3700-37 =3663

3700提取公因数

37×99简便计算: 37×99 =37×(100-1) =37×100-37×1 =3700-37 =3663 祝楼主学习天天进步!

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37×99+37 = 37×99+37x1 =37x(99+1) =37x100 =3700

37×99+37简便运算 =37×(99+1) =37×100 =3700

37.4×99=37.4×(100-1)=37.4×100-37.4=3740-37.4=3702.6

37+37x39 =37x(1+39) =37x40 =1480 请采纳正确答案,你们只提问,不采纳正确答案,回答都没有劲!谢谢管理员推荐采纳!! 朋友,请【采纳答案】,您的采纳是我答题的动力,如果没有明白,请追问。谢谢。

37x99+37 =37x(99+1) =37x100 =3700

111×37 =(100+10+1)X37 =100X37+10X37+37 =3700+370+37 =4070+37 =4107

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