Question

resolva as expressões abaixo
2×(7-4)-12÷3+25=

15+3×7-2×3+8÷2=
​

Answer 1

→ Cálculo :

A) 2 · ( 7 - 4 ) - 12 ÷ 3 + 25

2 · 3 - 4 + 25

6 - 4 + 25

31 - 4

27

B) 15 + 3 · 7 - 2 · 3 + 8 ÷ 2

15 + 21 - 6 + 4

40 - 6

34