原式等于125*8*3=3000 ~回答完毕~ ~\(^o^)/~祝学习进步~~~
125x3x8=125x3x4x2 =(125x4)x3x2 =500x6 =3000
125又3/8x8简便方法计算125又3/8x8=8*(125+3/8)=8*125+3/8*8=1000+3=1003
125*(3*8)=125*8*3=1000*3=3000
解:125x11x8=(125x8)x11=1000x11=11000
125*3.2=125*8*0.4=1000*0.4=400
125乘3乘8简便算法怎么算?125*3*8=125*8*3=1000*3=3000
125*3*88=125*3*8*11=(125*8)*(3*11)=1000*33=33000
=35000/(8*125)*2 =35000*2/1000 =70000/1000 =70
125.125*3.2简便计算计算解:原式=125.125*3.2=(125+0.125)*8*0.4=125*8*0.4+0.125*8*0.4=1000*0.4+1*0.4=400+0.4=400.4