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25x24x125x16简便运算

2.18x16x125简便计算 解: 2.18x16x125 =(2.18×2)×(8×125) =4.36×1000 =4360

原式=42x2x(125x8) =84x1000 =84000

25 x 125 x 16 = 25 x 125 x 2 x 8 = (25 x 2) x ( 125 x 8) = 50 x 1000 = 50000

125x16x25=(125*4)*(4*25)=500*100=50000

25×24×16×125 =25×(4×6)×(2×8)×125 =(25×4)×(8×125)×(6×2) =100×1000×12 =一百二十万

原式 =125x16x39 =(125x8)x(2x39) =1000x78 =78000

第一道题 (125X99+125)X16 =125X(99+1)X16 =25X5X4X4X100 =100X20X100 =200000 第二道题 5X999+5+99X7+7+3X9+3+9 =5X(999+1)+7X(99+1)+3X(9+1)+9 =5000+700+30+9 =5739

你好!简便算法是: (125X99+125)X16 =[125X(99+1))]X16 =[125X100]X16 =12500X16 =200000

54X125X16X8X625 =54X(125X8)X(2X8X5X125) =54X1000X10X1000 =540000000

125X50x16 =125x50x8x2 =(125x8)x(50x2) =1000x100 =100000 行家正解,不明白可以追问!祝您学习进步 满意请点击下面的【选为满意回答】按钮,O(∩_∩)O谢谢

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