Question

presiso da resposta com calculo porfavor!

15.4-80

-50+11.5

-48-6.7

35+(-9).(-4)

18-(-6).(-2)

​

Answer 1

Resposta:

a)

15.4-80=x

60-80= -20

b)

-50+11.5=x

-50+55= 5

c)

-48-6.7=x

-48-42= -90

d)

35 + (– 9) . (– 4)=x

35 + (+36)=x

35 + 36= 71

e)

18 - (-6).(-2)=x

18 - (+12)=x

18 - 12= 6

Answer 2

15.4-80

60-80

-20

-50+11.5

-50+55

5

-48-6.7

-48-42

-90

35+(-9).(-4)

35+36

71

18-(-6).(-2)

18-12

6