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630×25+250×37简便计算

440×25+250×56 =440×25+25×560 =25×(440+560) =25×1000 =25000

250*63+25*370 =25*(10*63+370) =25*(630+370) =25*1000 =25000

=25X4X8+250X4X8 =800+8000 =8800 ~希望对你有帮助,请及时点击【采纳为满意回答】按钮~ ~手机提问的朋友在客户端右上角评价点【满意】即可~ ~你的采纳是我前进的动力~~

解: 25×50+250×5 =25×50+25×50 =25*(50+50) =25*100 =2500

78×250-370×25-250 =(78-37-1)×250 =40×250 =10000 您好,本题已解答,如果满意, 请点右上角“采纳答案”。

250×53+470×25 =25×10×53+470×25 =25×530+25×470 =25×(530+470) =25×1000 =25000

(39+1)x25-(0.039+0.001)x250-(25+0.001x250)

25×420+250×58简便方法 =25×(420+580) =25×1000 =25000

原式 =25x340+25x10x66 =25x340+25x660 =25x(340+660) =25x1000 =25000 或者 =25x10x34+250x66 =250x34+250x66 =250x(34+66) =250x100 =25000

(250-25)×8 =250×8-25×8 =2000-200 =1800

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