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timofeeve [1]
4 years ago
6

Help me out pls!! 17p

Mathematics
1 answer:
Amiraneli [1.4K]4 years ago
6 0
So

13-___=6
So 13-6=___

6-___=-1
6-(-1)=___

-1-____=-8
-1-(-8)=___

Well 13-6= 6+1= -1+8= 7
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