40米减少25%后是______米,______米比60米少20%.

2025-06-21 20:55:01
推荐回答(1个)
回答1:

(1)40×(1-25%),
=40×75%,
=30(米);

(2)60×(1-20%),
=60×80%,
=48(米);
故答案为:30,48.