9. Folosind operațiile cu/logaritmi să se aducă la forma cea mai simplă: 1 log, 4+log,9; b) log, +log, 6; log, 48-log, 3; e) log, 48-log, 96; g) log, 15+log, 10-log, 50; h) log, 4!-log, 3!; j) log, 20+log, 48-log, 15 ;k) log, 75-log, 3; m) log, 2+log, 1,5-log, 9; o) log (+10g; (3) +10g; log₂ (²) log₂ 3 g) 1080.5 5+1080,56+logos 4-logos 15. a) d) (-108₂) - log₂ c) log, 13,5+log, 2; f) log, 10-log, 15+log, 48 2 3 4 Ng. 5 25 i) lg+lg / + 3 1) log₂ 6+log, 5-log, 15; log, 50+3-log, 2-2log, 5 n) p) lg 24,5-lg 14-lg 17,5;​