1⼀4除以3⼀8的商,加上2⼀5,所得的和乘1⼀2,积是多少?

2025-04-13 02:27:25
推荐回答(1个)
回答1:

(1/4÷3/8+2/5)×1/2
=16/15×1/2
=8/15