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3. Calculează: 4x (2+3) = 4x (3+3) = 4x (4 + 4) = 4x (3+4)= (10 - 3) x 4 = (1512) x 4 = (25-18) x 4 = (16 - 12) x 4 = 2x3x4= 3x3x4= 2x4x4= 15 x 2 x 4 = (2x4) +(6x4) (4 x 3) + (5 x 4 (9x4)-(3x4) (8 x 4) + (4x4)=​

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