2-6⼀11÷21⼀22减3⼀7怎么算?

2024-12-16 19:34:03
推荐回答(1个)
回答1:

2-6/11÷21/22-3/7
=2-4/7-3/7
=2-(4/7+3/7)
=2-1
=1