0.125*72=0.125*8*9=1*9=9
125*72=125*(8*9)=125*8*9 (乘法结合律)=1000*9=9000 望采纳
简便计算过程方法如下 解:125*72=125x8x9=1000x9=9000
125*72=(125*8)*9=1000*9=9000
=125*(8*9)=125*8*9=1000*9=9000
125*72=125*(8*9)=(125*8)*9=1000*9=9000 保证对,求采纳
72x125=9x8x125=9x1000=9000 愿能帮到你.
72x125=9x8x125=9x(8x125)=9x1000=9000
125X72 =125X8X9 =1000X9 =9000
125x8X9 =1000X9 =9000