作业帮3^log9(25)+16^log4(2)-(根号7)^log7(9)+(-1)^log2(1)
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3^log9(25)+16^log4(2)-(根号7)^log7(9)+(-1)^log2(1)
3^log9(25)+16^log4(2)-(根号7)^log7(9)+(-1)^log2(1)
3^log9(25)+16^log4(2)-(根号7)^log7(9)+(-1)^log2(1)
=3^log3(5)+[4^(log4(2))]^2-[7^(1/2)]^(2log7(3))+0
=5+4-3+0=6
求值:(log4^ 3+log8 ^9)*(log3^ 2+log9 ^16)
3^log9(25)+16^log4(2)-(根号7)^log7(9)+(-1)^log2(1)
计算log4(3)*log9(32)
log4(3)*log9(2)+log2(4倍根号下64) log9(32)*log64(2log4(3)*log9(2)+log2(4倍根号下64) log9(32)*log64(27)+log9(2)*log4(根27)
(log3 2+log9 2)*(log4 3+log8 3)求值
化简(log4(3)+log8(3))(log3(2)+log9(2))
(log3^2 + log9^4)×(log4^3 + log8^3)
计算log9(根号2)*[log4(3)+log8(3)]
计算:(log4 3+log8 3)×log9 √2=?
log9×log4
(log4(3)+log8(3))(log3(2)+log9(2))-log4(3)×log1/3(四次根号32)
log4^27×log(8)25×log9^5
log4^27×log(8)25×log9^5
求值:-log2log2√√√2 ,log4 (8)-log1/9 (3)-log√2 (4) ; (log4(3))*（log9(25))*(log5(8))
谁会这几道log的数学题log4 16 ×log9 8=?3^(2+log32)=?5^(2-log5 3)=?
2log4 (2-根号3)+3log9(2+根号3)错了 是2^(log4 (2-根号3))+3^(log9(2+根号3))
急 求 （log3 2+log9 2）-（log4 3+log8 3）求 （log3 2+log9 2）-（log4 3+log8 3）
（1）log4 27乘以log25 8乘以log9 5 （2）（log4 3+log8 3）（log3 2+log9 2）、