elementary school mathematics
1. 1 + 1 =
2. 3 + 3 =
3. 4 + 5 =
4. 6 + 3 =
5. 7 + 6 =
ans: 1.1 + 1 = 2, 2. 3 + 3 = 6, 3. 4 + 5 = 9, 4. 5 + 3 = 9,
5. 7 + 6 = 13
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