Question

Calcule o valor das expressões
(7×7+5) : (18-15 : 3+5)×2

(30-5×6) : (7+2×10) ×(40-30+5)

Answer 1

(7×7+5) : (18-15 : 3+5)×2

(49+5) : (18-5+5)×2

54 : 18 × 2

3 × 2

6

Answer 2

(7.7+5):(18-15:3+5)
(49+5):(18-5+5)
54:18
3

(30-5.6):(7+2.10).(40-30+5)
(30-30):(7+20).15
27.15
405