math-match/addition-facts/expert · セット 7

8 problems
1
2 + 15 =
2
14 + 12 =
3
5 + 7 =
4
13 + 2 =
5
8 + 1 =
6
6 + 12 =
7
8 + 2 =
8
5 + 12 =
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