math-match/addition-facts/hard · セット 1

8 problems
1
39 + 3 =
2
35 + 4 =
3
9 + 40 =
4
34 + 17 =
5
7 + 43 =
6
22 + 4 =
7
16 + 18 =
8
27 + 26 =
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