- Do you know the scientist Tu Youyou ?
- Yes, she is the first Chinese ____ won a Nobel prize in science.
A:who have
B:that have
C:which has
D:that has
在同一个圆内,所有的____和____的长度分别相等,半径的长度是直径的____.
列方程(组)解应用题:
某班去看演出,甲种票每张24元,乙种票每张18元.如果35名学生购票恰好用去750元,甲乙两种票各买了多少张?
____×7=28
8×____=64
____×8=24