Question

Resolva as expressões abaixo:

a) 2 . (5 – 2) – 12 : 3 + 20 =

b) 10 + 3 . 5 – 2 x 5 + 8 : 2 =​

Answer 1

Olá!

a) 2 . (5 – 2) – 12 : 3 + 20 =

2 . 3 - 12 : 3 + 20=

6 - 12 : 3 + 20=

6 - 4 + 20=

2 + 20=

22

b) 10 + 3 . 5 – 2 x 5 + 8 : 2 =

10 + 15 - 2 x 5 + 8 : 2 =

10 + 15 - 10 + 8 : 2 =

10 + 15 - 10 + 4 =

25 - 10 + 4 =

15 + 4 =

19

ESPERO TER AJUDADO!!

Answer 2

a) 2. 3 - 12: 3 + 20
6- 12: 3 + 20
6- 4 + 20
2 + 20
22



b) 10 + 15 - 10 + 8:2
10+ 15 - 10 + 4
25 - 10 + 4
25- 14
11