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