True, 16 + 70 = 86, 71 + 20 = 91, 57 + 10 = 67, 80 + 10 = 90, 43 + 30 = 73, False, 62 + 20 = 35, 22 + 50 = 46, 35 + 20 = 24, 50 + 40 = 83, 13 + 60 = 68

Unit 15_Activity_A

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