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75x16x25的简便计算

先提出个25,得到25*2516,再得到25*41,再用25*4025得到1025

75*16*15=(25*3)*(4*4)*(3*5)=(25*4)*(3*4)*(3*5)=100*12*15=18000

25成括号16加4括号

75x16=5x25x4x4=(5x4)x(25x4)=20x100=2000 如果我的答案对您有帮助,请点击下面的“采纳答案”按钮,送咱一朵小红花鼓励下吧!新年快乐!!! 如有不懂,可继续追问!

列式为:75x16x25x16=25x3x4x4x25x16=25x4x25x4x3x16=100x100x48=480000

17760

25X16X25=(5x5)x(4x4)x(5x5)=5x5x4x4x5x5=(5x5x4)x(5x5x4)=100x100=10000

看见25就想到415*4*4*25=60*100=6000

=75x20+75x5 =1500+375 =1875

16x50x25=4x(4x25)x50=4x100x50=400x50=20 000

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