125x14x4x8x25x5x20的简便运算

原式=(125x8)x(4x25)x(5x20)x14=1000x100x100x14=10000000x14=140000000

125x14x4x8x25x5x2o=(125x8)x(4x25)x(5x20)x14=1000x100x100x14=140000000

125*8=1000,4*25=100;5*2=10; 答案是14000000

2X5=1025X4=100125X8=100010X100X1000X14=14000000

125*14*4*8*25*5*20=(125x8)x(4x25)x(5x20)x14=1000x100x100x14=140 000 000如有帮助请采纳,如对本题有疑问可追问,Good luck!

用简便的方法计算 629x2x125x4x8x25x5629x2x125x4x8x25x5=629* (125*8)*(25*4)*(5*2)=629*1000*100*10=629000000

你好!根据乘法交换律125x4x2x8x25x5=(125*8)*(25*4)*(5*2)=1000*100*10=1,000,000 我的回答你还满意吗~~

根据乘法交换律125x4x2x8x25x5=(125*8)*(25*4)*(5*2)=1000*100*10=1,000,000

原式=(125x8)x(4x5)=1000x20=20000 供参考.

[(4x8)x25-8]x125=4*8*25*125-8*125=4*25*8*125-8*125=100*1000-1000=100000-1000=99000

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