The value of \[{{({{7}^{-1}}-{{8}^{-1}})}^{-1}}-{{({{3}^{-1}}-{{4}^{-1 – McqOptions

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1.	The value of \[{{({{7}^{-1}}-{{8}^{-1}})}^{-1}}-{{({{3}^{-1}}-{{4}^{-1}})}^{-1}}\] is
A.	56
B.	12
C.	68
D.	44
Answer» E.

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