Question

determi o valor de cada soma algébrica
a)8-(6+10)
b)-10 +(6-4 )
c)2+(2+5-7)
d)-5+(2 -4)-(7-1 )
e) (-5+3 )-(5-9)+(8-1 )-11​

Answer 1

Olá!

8 - ( 6 - 10 )

8 - 4

4

- 10 + ( 6 - 4 )

- 10 + 2

- 8

2 + ( 2 + 5 - 7 )

2 + ( 7 - 7 )

2 + 0

2

- 5 + ( 2 - 4 )

- 5 + ( - 2 )

- 5 - 2

- 7

( - 5 + 3 ) - ( 5 - 9 ) + ( 8 - 1 ) - 11

- 2 - ( - 4 ) + 8 - 11

- 2 + 4 + 8 - 11

+ 2 + 8 - 11

+ 10 - 11

- 1