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15 questions
333
222
444
999
log82=\log_82=log82=
13\frac{1}{3}31
−3-3−3
12\frac{1}{2}21
5log510=...5^{\log_510}=...5log510=...
111
000
101010
555
log6(log5(log232))=...\log_6\left(\log_5\left(\log_232\right)\right)=...log6(log5(log232))=...
log232=\log_2\sqrt{32}=log232=
52\frac{5}{2}25
25\frac{2}{5}52
−5-5−5
log927+log93=...\log_927+\log_93=...log927+log93=...
log315−log35=\log_315-\log_35=log315−log35=
log5252−log333=\log_525^2-\log_33^3=log5252−log333=
log6615=\log_66^{15}=log6615=
log353=\log_{3^5}3=log353=
15\frac{1}{5}51
51\frac{5}{1}15
lgx2=2log10x\lg x^2=2\log_{10}xlgx2=2log10x
Adevărat
Fals
log4164=...\log_4\frac{1}{64}=...log4641=...
−4-4−4
log1749=...\log_{\frac{1}{7}}49=...log7149=...
−12-\frac{1}{2}−21
−2-2−2
log210−log225+log25=...\log_210-\log_225+\log_25=...log210−log225+log25=...
202020
−10-10−10
log3(7+2)+log3(7−2)+2=...\log_3\left(\sqrt{7}+2\right)+\log_3\left(\sqrt{7}-2\right)+2=...log3(7+2)+log3(7−2)+2=...
14\sqrt{14}14
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