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99x37简便计算

3700提取公因数

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

37×99的简便计算 解:根据分配律的运用, 原式=37x(100-1) =37x100-37x1 =3700-37 =3663

=(100-1)×37 =100×37-37 =3700-37 =3663

37×99×37简便运算 =(37×3)×(3×37)×11 =111×111×11 =12321×11 =135531

37×99+37 =37x(99+1) =37x100 =3700

37×99+37+63×99 =37x(99+1)+63x(100-1) =37x100+63x100-63 =3700+6300-63 =9937 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...

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

37×99+99 =37x(99+1) =37x100 =3700

37+37×99 =37×(1+99) =37×100=3700

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