41 - ? - 20 = 21, 18 - ? - 4 = 14, 30 - ? - 10 = 20, 14 - ? - 2 = 12, 28 - ? - 6 = 22, 8 - ? - 3 = 5, 51 - ? - 21 = 30, 5 - ? - 1 = 4, 20 - ? - 5 = 15, 15 - ? - 5 = 10,

Reveal Math 4.2 - Solve

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