十一分之八减去七分之三减去十一分之三加上七分之四(简便计算)

2024-12-31 07:40:05
推荐回答(3个)
回答1:

十一分之八减去七分之三减去十一分之三加上七分之四
=(8/11-3/7)-(3/11+4/7)=8/11-3/7-3/11-4/7
=(8/11-3/11)-(3/7+4/7)=5/11-1=-6/11

回答2:

十一分之八减去七分之三减去十一分之三加上七分之四
=8/11-3/11+(4/7-3/7)
=5/11-1/7
=35/77-11/77
=24/77

回答3:

8/11-3/7-3/11+4/7
=(8/11-3/11)+(4/7-3/7)
=5/11+1/7
=46/77