小林跑一百米用了十八秒小马跑八十米用了十五秒的小凌的速度比较慢

2025-05-19 01:15:34
推荐回答(2个)
回答1:

100/18=50/9
80/15=16/3=48/9
50/9>48/9
所以,小林的速度比较快.

回答2:

对呀··············································