原式=11/12-1/6-1/8=11/12-2/12-1/8=9/12-1/8=3/4-1/8=6/8-1/8=5/8
希望对你有帮助,望采纳,谢谢!
等于11/12-1/6-1/8=11/12-2/12-1/8=9/12-1/8=3/4-1/8=6/8-1/8=5/8
所以结果等于5/8
7/8
原式=11/12-1/6+1/8
=11/12-2/12+1/8
=9/12+1/8
=3/4+1/8
=6/8+1/8
=7/8。
望采纳。
8分之5望采纳(* ̄3 ̄)╭(* ̄3 ̄)╭(* ̄3 ̄)╭(* ̄3 ̄)╭
11/12-(1/6+1/8)
=22/24-(4/24+3/24)
=22/24-7/24
=15/24
=5/8