Answer:
19
-12
-1
10
Step-by-step explanation:
(+9)+(+10)=19
(-7)+(-5)=-12
(+5)+(-6)= -1
(+2)+(+8)=10
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Answers & Comments
Answer:
19
-12
-1
10
Step-by-step explanation:
(+9)+(+10)=19
(-7)+(-5)=-12
(+5)+(-6)= -1
(+2)+(+8)=10