2⼀3加上1⼀4除以3⼀4的商,所得的和乘4⼀7,积是多少?

2025-05-23 04:20:32
推荐回答(1个)
回答(1):

[(2/3)+(1/4)÷(3/4)]×(4/7) =[(2/3)+(1/3)]×(4/7) =1×(4/7) =4/7