Question

算式1/4除以7/6乘以5/2除以3/8乘以7/5等于8/25中有一个运算符号写错了,改正.

Answer 1

(1/4)/(7/6)*(5/2)/(3/8)*(7/5)=8/25

1*6*5*8*7/(4*7*2*3*5)=8/25

48/24=2≠8/25

把原题‘乘以5/2' 改成‘除以5/2’ 就对了：

(1/4)/(7/6)/(5/2)/(3/8)*(7/5)=

=1*6*2*8*7/(4*7*5*3*5)=8/25