九分之五-(九分之二+六分之一) 七分之四-(七分之二+八分之一) 列算式,能简算的简算

2024-11-15 07:02:24
推荐回答(3个)
回答1:

简便计算:
5/9-(2/9+1/6)
=5/9-2/9-1/6
=1/3-1/6
=1/6
4/7-(2/7+1/8)
=4/7-2/7-1/8
=2/7-1/8
=9/56
(“/”为分数线,望采纳,谢谢)

回答2:

九分之五-(九分之二+六分之一)
=5/9-2/9-1/6
=3/9-1/6
=1/3-1/6
=2/6-1/6
=1/6

七分之四-(七分之二+八分之一)
=4/7-2/7-1/8
=2/7-1/8
=16/56-7/56
=9/56

回答3:

5/9-(2/9+1/6)
=5/9-2/9-1/6
=3/9-1/6
=2/6-1/6
=1/6

4/7-(2/7+1/8)
=4/7-2/7-1/8
=2/7-1/8
=16/56-7/56
=9/56