1 - 12 = ?, 4 - 22 = ?, 9 - 32 = ?, 16 - 42 = ?, 25 - 52 = ?, 36 - 62 = ?, 49 - 72 = ?, 64 - 82 = ?, 81 - 92 = ?, 100 - 102 = ?, 121 - 112= ?, 144 - 122= ?, 169 - 132= ?,

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