2/3加上1/4除以3/4的商,所得的和乘4/7,积是多少?
问题描述:
2/3加上1/4除以3/4的商,所得的和乘4/7,积是多少?
答
[(2/3)+(1/4)÷(3/4)]×(4/7) =[(2/3)+(1/3)]×(4/7) =1×(4/7) =4/7
2/3加上1/4除以3/4的商,所得的和乘4/7,积是多少?
[(2/3)+(1/4)÷(3/4)]×(4/7) =[(2/3)+(1/3)]×(4/7) =1×(4/7) =4/7