addition/with-regrouping/medium · 套题 68
20 problems
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班级:
日期:
1
6 + 1
=
2
10 + 6
=
3
3 + 10
=
4
3 + 1
=
5
1 + 3
=
6
2 + 2
=
7
5 + 2
=
8
10 + 5
=
9
7 + 2
=
10
2 + 4
=
11
4 + 1
=
12
6 + 1
=
13
5 + 2
=
14
1 + 10
=
15
4 + 3
=
16
6 + 1
=
17
2 + 2
=
18
6 + 2
=
19
10 + 7
=
20
10 + 10
=