想一想,先算什么,再算什么,最后算什么,再计算2400÷80-14×2 (420+48)÷(375-345)480÷[(101

2025-04-06 08:49:48
推荐回答(1个)
回答1:

(1)2400÷80-14×2
=30-28
=2

(2)(420+48)÷(375-345)
=(420+48)÷(375-345)
=468÷30
=15.6

(3)480÷[(101-98)×20]
=480÷[3×20]
=480÷60
=8