addition/with-regrouping/medium · 套题 59
20 problems
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班级:
日期:
1
3 + 3
=
2
3 + 5
=
3
2 + 6
=
4
10 + 4
=
5
9 + 10
=
6
4 + 2
=
7
6 + 2
=
8
2 + 6
=
9
5 + 3
=
10
10 + 4
=
11
10 + 8
=
12
6 + 2
=
13
10 + 8
=
14
2 + 1
=
15
10 + 7
=
16
1 + 5
=
17
5 + 4
=
18
2 + 1
=
19
7 + 1
=
20
7 + 1
=