9⼀40+7⼀72-1⼀10等于多少结果分数?

2025-03-04 05:15:45
推荐回答(1个)
回答1:

=9/40-4/40+7/72
=5/40+7/72
=1/8+7/72
=9/72+7/72
=16/72
=2/9