- 1.94 MB
- 2021-04-14 发布
6
、
7
减几
6
-
2 = 4
6
-
4 = 2
6
个小朋友,
男孩有
4
人,女孩有
……
6
个小朋友
6
-
2 = 4
6
-
4 = 2
6
个小朋友,男孩有
4
人,女孩有
……
6
-
2 = 4
6
-
4 = 2
6
棵小树苗,
……
7
-
2 =
5
7
-
=
5
2
7
-
=
1.
3
4
7
-
=
3
4
6
-
=
5
1
-
=
1
5
6
7
-
6 =
1
2.
想一想,填一填。
7
-
1 =
6
6
-
3 =
3
3.
4.
6
-
5 =
1
6
-
4 =
2
6
-
3 =
3
7
-
4 =
3
7
-
5 =
2
7
-
6 =
1
5
-
2 =
3
6
-
2 =
4
7
-
2 =
5
4.
6
-
5 =
1
6
-
4 =
2
6
-
3 =
3
7
-
4 =
3
7
-
5 =
2
7
-
6 =
1
5
-
2 =
3
6
-
2 =
4
7
-
2 =
5
4.
6
-
5 =
1
6
-
4 =
2
6
-
3 =
3
7
-
4 =
3
7
-
5 =
2
7
-
6 =
1
5
-
2 =
3
6
-
2 =
4
7
-
2 =
5
4.
6
-
5 =
1
6
-
4 =
2
6
-
3 =
3
7
-
4 =
3
7
-
5 =
2
7
-
6 =
1
5
-
2 =
3
6
-
2 =
4
7
-
2 =
5
5.
6.
7
-
1 = 6
7
-
6 = 1
7
-
2 = 5
7
-
5 = 2
7
-
3 = 4
7
-
4 = 3
7-1=6
7-6=1
7-5=2
7-2=5
7-3=4
7-4=3
7.
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