14 + 2=, 16, 12, 14, 6 + 7=, 14, 13, 15, 3 + 4=, 3, 7, 9, 11 - 2=, 8, 10, 9, 15 - 5=, 10, 12, 9, 19 - 4=, 7, 15, 18, 16 + 3=, 12, 19, 18, 6 + 3=, 9, 6, 8, 14 - 7=, 7, 10, 11, 20 - 8=, 10, 13, 12

Mental Math 7.5

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