(log3^2 + log9^2)×（log4^3 + log8^3)
＝(log3^2+0.5log3^2)×(0.5log2^3+1/3*log2^3)
=3/2*log3^2×5/6*log2^3
=5/4
求(log3^2 + log9^2)×（log4^3 + log8^3)的值.
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