Question
126 56 ? 12 10
2Solution
(126 ÷ 2) – 7 = 56 (56 ÷ 2) + 6 = 34 (34 ÷ 2) – 5 = 12 (12 ÷ 2) + 4 = 10 (10 ÷ 2) – 3 = 2
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