log(2)根号18+1/2log(2)56-log(2)3根号7
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log(2)根号18+1/2log(2)56-log(2)3根号7log(2)根号18+1/2log(2)56-log(2)3根号7log(2)根号18+1/2log(2)56-log(2)3根号7L
log(2)根号18+1/2log(2)56-log(2)3根号7
log(2)根号18+1/2log(2)56-log(2)3根号7
log(2)根号18+1/2log(2)56-log(2)3根号7
LOG(2,√18)+(1/2)LOG(2,56)-LOG(2,3√7)
=(1/2)(LOG(2,2)+LOG(2,3^2))+(1/2)(LOG(2,8)+LOG(2,7))-LOG(2,√63)
=(1/2)+LOG(2,3)+3/2+(1/2)LOG(2,7)-(1/2)(LOG(2,3^2)+LOG(2,7)
=2+LOG(2,3)+(1/2)LOG(2,7)-LOG(2,3)-(1/2)LOG(2,7)
=2
log(2)根号18+1/2log(2)56-log(2)3根号7
log(根号2-1)(3
log根号2（X-1)
log(1/根号2)16
log(3)1+log(2)根号2+lg1000
log(27)32 × log(64)27+log(9)2 × log(4)根号27=?log(27)32 × log(64)27+log(9)2 × log(4)根号27=?
log根号2sin5/12
log(5)35+2log(1/2)根号2-log（5）1/50-log(5)14 括号里的为log的底数
[log(3)3^1/2]^2+log(0.25)1/4+9log5根号5-log（根号3）1=?
计算:log小2 根号7/48+log小2 12-1/2log小2 42
log(0.1)log(0.2)log(0.5)(1/根号5次2）=x,求x的值
log根号2(2根号2)
2log(2)根号30-log(2)3-log(2)5 求值
2log(2)根号30-log(2)3-log(2)5 求值
log(2)(25)*log(3)(根号2)*log(5)(9)+_+ 请问为什么错?
化简2log`5(10)+log`3(0.25）+log`1/5(125)=(2) log`2(根号2）+log`9(27）+（1/4)^log`4(1/16) 注意 `为下角标
已知0＜a＜1,x=log a 根号2＋log a 根号3y=1/2 log a 5z=log a 根号21 －log a 根号3比较x y z 的大小关系x=log a （根号2）＋log a （根号3）y=1/2 （log a 5）z=log a （根号21） －log a （根号3）
1.ln根号e+2^[1+log(2)^3]2.[log(6)^3]^2+log(6)^18*log(6)^23.lg5(lg8+lg1000)+（根号3+lg2)^2+lg1/6+lg0.06