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