发布时间:2019-08-10 17:43:13
11/12 - 3/4
= 11/12 - 9/12
= 2/12
= 1/6
4分之3等于12分之9
12分之11减12分之9等于12分之2等于6分之1
11/12-9/12=2/12=1/6
11/12-3/4
= 11/12-9/12
= 3/12
= 1/6
11/12-3/4
=(11-9)/12
=2/12
=1/6
11|12-3|4
= 11|12-9|12
=2|12=1|6=-六分之一
望采纳
11/12-3/4=11/12-9/12=2/12=1/6
或:11/12-3/4=(2+9)/12-3/4=1/6+3/4-3/4=1/6