Question

a)7-(-6)-(-8)=
b)-8+(-6)-(+3)=
c)5-6-(+7)+1=
d)-28+7+(+12)+(-1)-6=
e)21-7-6-(-15)-2-(-10)=
f)10-(-8+(-9.)-(-12)-6+5=

Ajuda preciso pra amanhã URGENTE ​

Answer 1

Olá,

a)7-(-6)-(-8)=

7+6+8

21

b)-8+(-6)-(+3)=

-8-6-3

-17

c)5-6-(+7)+1=

5-6-7+1

5-6-6

-1-6

-7

d)-28+7+(+12)+(-1)-6=

-28+7+12-1-6

-21+12-7

-21+5

- 16

e)21-7-6-(-15)-2-(-10)=

21-7-6+15-2+10

14-6+23

8+23

31

f)10-(-8+(-9.)-(-12)-6+5=

10+8-9+12-6+5

18+3-1

20

Answer 2

a)7-(-6)-(-8)=

7+6+8=

21

b)-8-6-3=

-17

c)5-6-(+7)+1=

5-6-7+1=

-1-7+1=

-8+1=

-7

d)-28+7+(+12)+(-1)-6=

-28+7+12-1-6=

-21+12-1-6=

-9-1-6=

-16

e)21-7-6-(-15)-2-(-10)=

21-7-6+15-2+10=

14-6+15-2+10=

8+15-2+10=

23-2+10=

21+10=

31

f)10-(-8)+(-9)-(-12)-6+5=

10+8-9+12-6+5=

18-9+12-6+5=

9+12-6+5=

21-6+5=

15+5=

21

Espero ter lhe ajudado \☆/