10 2 3 x 1 7 8 July 8, 2019 16 32 64 128 3 x 7 1 2 8x 10 2 (- x 3 )-( 5x 10 )=- 4 1 3x )+( 8x 7 10 1 2 x 11 3 8 x 7 5 8
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