addition/with-regrouping/medium · 套题 38
20 problems
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班级:
日期:
1
2 + 4
=
2
1 + 8
=
3
4 + 1
=
4
10 + 7
=
5
3 + 1
=
6
10 + 2
=
7
6 + 2
=
8
2 + 1
=
9
2 + 2
=
10
7 + 1
=
11
4 + 2
=
12
5 + 1
=
13
1 + 5
=
14
1 + 6
=
15
7 + 10
=
16
2 + 6
=
17
3 + 10
=
18
2 + 7
=
19
10 + 9
=
20
8 + 1
=