math-match/addition-facts/expert · 세트 3

8 problems
1
16 + 13 =
2
7 + 8 =
3
8 + 12 =
4
3 + 14 =
5
6 + 4 =
6
17 + 8 =
7
15 + 16 =
8
16 + 9 =
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