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En resumen

En la 11 : : (6 + 3) x (8 - 3) = 9 x 5 = 45 (5 + 3) x (7 - 4) = 8 x 3 = 24 (6 + 2) x (9 - 1) = 8 x 8 = 64 en la 12 : : (8 x 2) + (4 x 5) = 16 + 20 = 36 (5 x 6) + (3 x 4) = 30 + 12 = 42 (2 x 9) + (7 x 2) = 18 + 14 = 32.

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YOKER1
7

En la 11 : :

(6 + 3) x (8 - 3) = 9 x 5 = 45

(5 + 3) x (7 - 4) = 8 x 3 = 24

(6 + 2) x (9 - 1) = 8 x 8 = 64

en la 12 : :

(8 x 2) + (4 x 5) = 16 + 20 = 36

(5 x 6) + (3 x 4) = 30 + 12 = 42

(2 x 9) + (7 x 2) = 18 + 14 = 32.