Maferstark10ask Maferstark10ask Matemáticas contestada a) 12 + 12 x (10 x 2) =b) (10+4) -90+81 = c) 12 - 10 + (6 x 5²)= d) 8-6-(6 5 )+6 = e) 100 + 5 + 25 x 3 = f) 25 - (10+7) -50 +7'=