addition/2-digit/starter · 套题 61
20 problems
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班级:
日期:
1
2 + 7
=
2
10 + 2
=
3
2 + 7
=
4
4 + 10
=
5
2 + 2
=
6
1 + 8
=
7
10 + 9
=
8
4 + 3
=
9
2 + 3
=
10
1 + 5
=
11
2 + 10
=
12
5 + 2
=
13
10 + 3
=
14
10 + 1
=
15
10 + 10
=
16
4 + 5
=
17
4 + 1
=
18
3 + 4
=
19
4 + 3
=
20
4 + 2
=