能简便的要简便7.2×12.1÷3.6÷1.1

2025-05-09 00:03:07
推荐回答(1个)
回答1:

7.2×12.1÷3.6÷1.1
=7.2÷3.6×12.1÷1.1
=(7.2÷3.6)×(12.1÷1.1)
=2×11
=22