Question

efetua as operações
(+5)+(+10)=
(-20)+(-5)=
(-30)-(-25)=
12-(+23)-(-4)=
-1-6+10=
(-3)×9=
(-8)×(-7)=
(-5)×(+6)÷(-1)=
(+40)÷(+5)=
(+15)÷(-3)=​

Answer 1

Resposta:

5+10=15

-20-5=-25

-30+25=-5

12-23+4= -7

-7+10= +3

-3×9= -27

-8×-7= -56

-5×6=30/-1 =-30

40÷5= 8

15÷-3 = -5