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annajw9
I'm not completely sure what you're asking, but if i understand right, it could be that if you add 5 and 3 you get 8, or if you subtract 3 from 8 you get 5.

Hope this helps in some way!
samhelene
Is this is was you mean:
The one in (91)1 is 10 times the one in 91(1). Same with the one is 147.

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