80 - 10 =, 58, 69, 70, 72, 62 - 50 =, 12, 18, 22, 24, 49 - 30 =, 19, 38, 44, 49, 26 - 10 =, 14, 16, 17, 55, 65 - 10 =, 53, 55, 57, 61, 81 - 20 =, 61, 62, 67, 68

Math Question 1

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