Read the information given below and answer the questions that follow
(asb) = (a+b)/2
(a&b) = (a2-b2
(a?b)=(a-b)/2
What is the value of [(22$4)&(25?15)]?
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Step-by-step explanation:
((22+4)/2)=13
(25-15)/2=10
13^2-10^2=69
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