math-match/addition-facts/hard · 套题 8
8 problems
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班级:
日期:
1
25 + 20
=
2
27 + 10
=
3
37 + 37
=
4
37 + 41
=
5
31 + 12
=
6
9 + 40
=
7
34 + 16
=
8
10 + 8
=