Решите логарифмы алгебра 10 класс

1. 9·3 = 27
2. 8² = 64
3. -2
4. -1
5. 2·2 = 4
6. ㏒₈(208/3¼) = ㏒₈(832/13) = ㏒₈64 = 2
7. 1+(-2) = -1
8. lg(5/4)/lg1,25 = lg1,25/lg1,25 = 1
9. ㏒₁₁121 = 2
10. ㏒₃(20¼·4) = ㏒₃81 = 4
11. ㏒₇4·2·㏒₄7 = 2
12. 5³⁻¹ = 5² = 25
13. ㏒₇28 = ㏒₇(4·7) = 1+㏒₇4
㏒₄28 = ㏒₄(4·7) = 1+㏒₄7
(1-㏒₇28)(1-㏒₄28) = -㏒₇4·(-㏒₄7) = 1
14. 18·⅑ = 2
15. 4
16. ㏒₆144/㏒₆(36·4) = ㏒₆144/㏒₆144 = 1
17. ㏒₆5-㏒₆5 = 0
18. (-lg3/lg2)·(lg2/lg3) = -1
19. √25 = 5
20. 2³ = 8
21. 12³ = 1728
22. (√9)² = 9
23. ㏒₄2 = ½
24. 14/7 = 2
25. -½
26. ㏒₃17/(¼·㏒₃17) = 4
27. 2¹ = 1