Question

sabe-se que A=(84-5x6) + (7+2x10) x (40-30-2) e B= ( 8x3+12) + (9+3+6) Caucule A+ B e A - B

Answer 1

A = (84 - 5×6) + (7 + 2×10) = (84-30) + (7 + 20) = 54 + 27 = 81

B = (8×3 + 12) + (9+6+3) = 24 + 12 + 18 = 54

A+ B = 81 + 54 = 135
A-B = 81 - 54 = 27