( 1 /2 ) −2 + ( 1 /2 ) −1 + ( 1/ 2 ) 2
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Answer:
-1/2
Step-by-step explanation:
(1/2)-2+(1/2)-1+(1/2)2
-1+-1/2+1
-2-1/2+1
-3+2/2
-1/2
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