5x | ||
5x+ | =20 | |
53 |
1 | ||
5x(1+ | )=20 | |
125 |
125 | ||
5x=20* | ||
126 |
2*53 | ||
5x= | ||
63 |
2*53 | ||
x=log5( | ) | |
63 |
1 | ||
5x*(1+ | )=20 | |
125 |
126 | 125 | |||
5x* | =20 /* | |||
125 | 126 |
10*125 | ||
5x= | logarytmujemy obustronnie | |
63 |
1+3log5−(log9+log7) | ||
x= | ||
log(5) |
1+3log5−2log3−log7 | ||
x= | ||
log5 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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