2⼀11+1⼀2-4⼀12怎么算?

2025-04-14 03:01:05
推荐回答(1个)
回答1:

=2/11+1/2-4/12
=2/11+6/12-4/12
=2/11+2/12
=2/11+1/6
=12/66+11/66
=23/66