addition/within-10/medium · 套题 91
20 problems
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班级:
日期:
1
2 + 4
=
2
4 + 3
=
3
5 + 4
=
4
5 + 1
=
5
1 + 2
=
6
3 + 6
=
7
1 + 1
=
8
3 + 2
=
9
5 + 4
=
10
3 + 5
=
11
5 + 2
=
12
1 + 5
=
13
3 + 5
=
14
3 + 5
=
15
4 + 1
=
16
1 + 2
=
17
2 + 4
=
18
1 + 1
=
19
5 + 2
=
20
4 + 3
=