Question

Arme a conta 500+9×21-12×36=

Answer 1

500 + 9 x 21 - 12 x 36

9 x 21 = 189

500 + 189 - 12 x 36

- 12 x 36 = - 432

500 + 189 - 432

500 + 189 = 689

689 - 432

257 (Resposta final).