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