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125 5 25 125 x

125X3X25 = 125X3X5 X 5 = 625 X 15 = 9375

125x25x32简便1:先把32分解成8*4,此题变成, 125x25x8*4,根据乘法交换率和结合律,可以得出 (125x8)x(25*4) =1000x100 =100000简便2:先把25分解成5x5,此题变成, 125x5x5x32,根据乘法交换率和结合律,可以得出 (125x5)x(5x32) =625 x160 =100000

125*16*5=125*(8*2)*5=(125*8)*(2*5)=1000*10=1000025*32*125=25*(4*8)*125=(25*4)*(8*125)=100*1000=100000

解比例 125:x=25:5分之一25x=125*1/525x=25x=1

X=125/5=25

25x5x64x125=25x5x2*4*8x125=(25*4)*(5*2)*(8*125)=100*10*1000=1000000

125x25x5x64=125x25x5x8x4x2=(125x8)x(25x4)x(5x2)=1000x100x10=1000000

125*5*25*256=125x5x25x8x4x8=125x8x(25x4)x(5x8)=1000x100x40=4000000

125x5x96x25=(125x8)x5x3x(4x25)=1000x15x100=1500 000如有帮助请采纳,如对本题有疑问可追问,Good luck!

245 20,1255,25,100

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