来自刘亚的问题
人教版五年级下册数学书142页第六题答案
人教版五年级下册数学书142页第六题答案


人教版五年级下册数学书142页第六题答案
人教版五年级下册数学书142页第六题答案
3/45/6
=9/1210/12
=19/12
2/3-1/4
=8/12-3/12
=5/12
4/511/153/10
=24/3022/309/30
=55/30
7-5/7
=67/7-5/7
=62/7
1/22/3
=3/64/6
=7/6
6-(3/4-2/5)
=6-3/42/5
=6-15/208/20
=440/20-23/20
=417/20
417/20的意思是4又20分之17
额我好像全部调转了,知己该会它