addition/with-regrouping/medium · 套题 84
20 problems
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班级:
日期:
1
10 + 10
=
2
1 + 8
=
3
3 + 4
=
4
9 + 10
=
5
2 + 2
=
6
3 + 10
=
7
4 + 4
=
8
6 + 10
=
9
1 + 2
=
10
10 + 8
=
11
4 + 10
=
12
10 + 6
=
13
3 + 6
=
14
1 + 7
=
15
4 + 3
=
16
2 + 5
=
17
1 + 5
=
18
3 + 4
=
19
10 + 7
=
20
4 + 1
=