3/8×7+1÷8/3 3/5－3/7+2/5－4/7 (1/125+4/5)×125 1/2+93/8×7+1÷8/33/5－3/7+2/5－4/7(1/125+4/5)×1251/2+9/20÷9/10－5/8
网友回答
3/8×7+1÷8/3
=3/8x7+1x3/8
=3/8x(7+1)
=3/8x8
=33/5－3/7+2/5－4/7
=(3/5+2/5)-(3/7+7/7)=1-1=0(1/125+4/5)×125
=1/125x125+4/5x125
=1+100
=1011/2+9/20÷9/10－5/8
=1/2+1/2-5/8
=1-5/8
=3/8如还有新的问题,请不要追问的形式发送,另外发问题并向我求助或在追问处发送问题链接地址,