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統計: A(24), B(57), C(189), D(28), E(0) #598180
統計: A(24), B(57), C(189), D(28), E(0) #598180
詳解 (共 1 筆)
#874405
原式=(log4 9+log4 9)(log9 16+log9 2)
=(log4 81)(log9 32)
=(log2 9)(log9 32)
=log2 32
=5
16
0