Question

resolva as expressões numéricas:
a)-24+7+16-13= b)-19+22-11+48=
c)-30+9+30-21=
me ajudem pf

Answer 1

a)
= - 24 + 7 + 16 - 13
= - 24 + 23 - 13
= - 24 + 10
= - 14

b)
= - 19 + 22 - 11 + 48
= 22 - 19 + 48 - 11
= 3 + 37
= 40

c)
= - 30 + 9 + 30 - 21
= - 21 + 9
= - 12

Answer 2

a) - 24 + 7 + 16 - 13

- 37 + 23

- 14

b) -19 + 20 -11 + 48 

-30 + 70
+ 40

c) -30 + 9 + 30 -21

-51 + 39

- 12