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1. Află factorul necunoscut: ax 3 = 27 9xa= 63 ax 8 = 48 7x a = 42 5×a=50 8×a=8 (3+4) xa = 56 ax (25-17) = 72 (100-91) x a = 36 ax (4 + 5) = 45 (1000 - 992) x a = 48 a× (10-10) = 0 ax5x5 = 25 2x 4x a =40 ax2 x3=24 9x1xa =81 3 x ax2 =54 axax8 = 32 ​