简便运算4x8x25x125

原式=(4x25)x(8x125)=100x1000=100000

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

125x25x4x8=(125x2)x4x(25x4)=250x4x100=1000x100=100000

= (8*125)*(25*4)=1000*100=100000

125x8x25x4=1000X100=100000

224x25x125x4x8=224x(25x4)x(125x8)=224x100x1000=22400000

125*(4+8)*25=125*8*25+125*25*4=1000*25+100*125=100*(250+125)=37500

125*(25*4+25*8)

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

4*8*25*125 =4*25*8*125 = 100*1000 =100000

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