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