11分之9+8分之5-(11分之4-8分之3)?

2025-12-06 14:14:13
推荐回答(2个)
回答1:

解:原式=9/11+5/8
一(4/11一3/8)
=9/11一4/11+5/8+3/8
=5/11+1=16/11

回答2:

9/11+5/8–(4/11–3/8)
=9/11+5/8–4/11+3/8
=(9/11–4/11)+(5/8+3/8)
=5/11+1
=16/11(或1又5/11)