A=2根号3/3 A属于(2/3,1)
B=log(3)*(log(3)*4)/log(4)*(log(3)*4) = 2.8864663987286
C=log2(sin72°) 因为 sin72°小于1 所以 log2(sin72°)小于0
B>A>C
B项先换底 然后通过百度计算
A=2根号3/3 A属于(2/3,1)
B=log(3)*(log(3)*4)/log(4)*(log(3)*4) = 2.8864663987286
C=log2(sin72°) 因为 sin72°小于1 所以 log2(sin72°)小于0
B>A>C
B项先换底 然后通过百度计算