Question

Calcule

a) 2 – (23 -11) =

b) (2 – 5) – (4 – 17) =

c) 7 – (4 + 12 + 1) =

d) -32 – 4 – (-18 +10) =

e) (10 – 6) – 3 + (7+ 9 – 6) =

f) (19 – 4 + 12) – 1 + (9+ 15 – 3) =

g) 20 – [3 + (7 – 4 – 5) -10] =

h) -4 + [-9 + (- 2 + 9 – 5) ]

i) 15 – { -2 + [ 6 + (-4 -5)]} =

j) 23 – {5 – 3 + [1 – ( -10 – 3) +9]} =

ME AJUDEM É PRA AMANHÃ!!​

Answer 1

Resposta:

a) 2-(+23-11)

2-23+11

-10

b)(-3)-(-13)

-3+13

10

c)7-(17)

7-17

-10

d)-32-4-(-8)

-36+8

-28

e)(4)-3+7+9-6

4+16-9

11

f)27-1+24-3

51-4

47

g)20-10+19

10+19

29

h)-4-7

-11

i)15-{-2-3}

15+5

20

j)23-{5-3+23}

23-25

-2

espero ter ajudado.