Question

1_ Calcule: a) (-22)+(-19)= b) (-3)-(-8)= c) (+20)+(-19)+(-13)+(-8)=​

Answer 1

Olá!

Resposta:

( - 22 ) + ( - 19 )

- 22 - 19

- 41

( - 3 ) - ( - 8 )

- 3 + 8

+ 5

( + 20 ) + ( - 19 ) + ( - 13 ) + ( - 8 )

+ 20 - 19 - 13 - 8

+ 1 - 13 - 8

- 12 - 8

- 20