ANSWER KEY Addition Find the sums. a. 3 2 b. 4 4 + 1 5 + 3 4 4 7 7 8 c. 4 1 d. 2 0 e. 6 2 f. 7 2 + 1 0 + 2 9 + 6 + 2 6 5 1 4 9 6 8 9 8 g. 3 4 h. 5 i. 5 4 j. 8 3 + 2 3 ...
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