Question

a) (+18),+(-15)+(-10)=

b) (+16)+(-21)+(+3)=

c) (+9)+(+17)+(-27)=

d) (-51)+(-67)+(+23)+(+150)=​

Answer 1

Explicação passo-a-passo:

a) (+18)+(-15)+(-10)

18-15-10

3-10

-7

b)(+16)+(-21)+(+3)

16-21+3

-5+3

-2

c)(+9)+(+17)+(-27)

9+17-27

26-27

-1

d)(-51)+(-67)+(+23)+150

-51-67+23+150

-118+23+150

-95+150

+45

Answer 2

Resposta:

A) -7

B) -2

C) -1

D) 55

Explicação passo-a-passo:

A) (+18),+(-15)+(-10)=

18-15-10=

3-10=

-7

b) (+16)+(-21)+(+3)=

16-21+3=

16+3-21=

19-21=

-2

c) (+9)+(+17)+(-27)=

9+17-27=

26-27=

-1

d) (-51)+(-67)+(+23)+(+150)=​

-51-67+23+150=

-118+173=

55