5分之3加上4分之1除以4分之3的商,所得的和乘以7分之5,积是多少?列示
问题描述:
5分之3加上4分之1除以4分之3的商,所得的和乘以7分之5,积是多少?列示
答
(3/5+1/4除以3/4)x5/7
=(3/5+1/4x4/3)x5/7
=(3/5+1/3)x5/7
=14/15x5/7
=2/3
答
(3╱5+1╱4)÷3╱4×5╱7=2╱3
答
5分之3加上4分之1除以4分之3的商,所得的和乘以7分之5
=(3/5+1/4/(3/4))*5/7
=(3/5+1/3)*5/7
=3/7+5/21
=14/21
=1/2
答
(3/5+(1/4)/(3/4))*5/7=(3/5+1/3)*5/7=14/15*5/7=2/3