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I need help with numbers 4 and 5.

I need help with numbers 4 and 5.-example-1
User Matt Innes
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PD = P-D
-11 - -1 = -11 + 1 = -10 = 10

SK = S-K
17 - -5 = 17 + 5 = 22

User NoobieNoob
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