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125x16÷25简便运算

125×16÷25 =125×4÷25×4 =500÷25×4 =20×4 =80

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

125x16 =125x(2x8) =(125X8)x2 =1000x2 =2000

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

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

0.125x16 =0.125x8x2 =1x2 =2

原式 =125x(8x2)x15 =(125x8)x(2x15) =1000x30 =30000 供参考。

25x4=100; 125x8=1000; 25x16 =25x4x4 =100x4 =400; 25x48 =25x4x12 =100x12 =1200. 供参考。

原式=125*100*16 =125*8*2*100 =2000*100 =200000

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