Question

$(13 + 2) \times 3 + 5$
$(7 + 2) \times (3 - 1$
$76 + 81 \div 3 - 32$
$20 - (15 + 6 \div 3)$
me ajude por favor

Answer 1

(13+2)×3+5 ⇒ 15×3+5 ⇒ 45+5 = 50
(7+2)×(3-1) ⇒ 9×2 = 18
76+81÷3-32 ⇒ 76+27-32 ⇒ 103-32 = 71
20-(15+6÷3) ⇒ 20-(15+2) ⇒ 20-13 = 7