Question

A) 2 + 8 – 3 – 5 + 15 =
B) 12 + [35 - (10 + 2) +2] =
C) [(18 + 3 · 2) ÷ 8 + 5 · 3] ÷ 6 =
D) 37 + [26 – (11 + 19 – 4)] =

Answer 1

a) 2+8-3-5+15

10-3-5+15

7-5+15

2+15

17

b) 12+[35-(10+2)+2]

12+[35-12+2]

12+[23+2]

12+25

37

c) [(18+3.2):8+5.3]:6

[(18+6) :8+5.3]:6

[24:8+5.3]:6

[3+15]:6

18:6

3

d) 37+[26-(11+19-4)]

37+[26-(30-4)]

37+[26-26)]

37+0

37

espero ter ajudado!!!