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f(x)满足f(a)+f(b)=f(ab),且f(2)=p,f(3)=q,则f(...
f(x)满足f(a)+f(b)=f(ab),且f(2)=p,f(3)=q,则f(72)=( )
A.p+q
B.3p+2q
C.2p+3q
D.p3+q2
考点分析:
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