14.
2 5 log 3 + co log 2 5 3 2 5 = (0 , 47712) + ( 1 , 69897) 5 3 = 0 ,190848 − 0 , 501717
21.
= − 0 , 310869 → 10− 0 , 310869 = 0 , 488799 ≅ 0 , 4888 * En la tabla se busca 1 , 68914 Log 7 , 86 + Log 8 ,14 15. 2 0 , 89542 + 0 , 91062 = 2 1, 80604 = 2 = 0 , 90302 → Anti log 0 , 90302 = 7 , 9987 16.
Log 932 , 5 + Log 813 , 6 + Log 0 , 005 2 2 , 96965 + 2 , 91041+ 3 , 69897 = 2 3 , 57903 = 2 = 1, 78952 Anti log 1, 78952 = 61, 59138
17.
Log 93 , 7 + Log104 , 2 + co log 8 , 35 + co log 7 , 3 2 1, 97174 + 2 , 01787 + 1 , 07831+ 1 ,13668 = 2 2 , 2046 = = 1,1023 → Anti log 1,1023 = 12 , 656174 2
18.
3 3 log 0 , 0316 + co log 0 ,1615 2 2 3 = (2 , 49969 + 0 , 79183) 2 3 = (− 0 , 70848) = − 1, 06272 = 2 , 93728 2 10−1, 06272 = 0 , 086552 Anti log 2 , 93728 = 0 , 08655625
22.
3 2 log 3 + co log 5 4 3 3 2 = (0 , 47712) + (1 , 30103) 4 3 = 0 , 35784 − 0 , 46598 = − 0 ,10814 = 1 , 89186 Anti log 1 , 89186 = 0 , 77958
23.
Log15 + Co log 4 7 1,17609 + 1 , 39794 7 0 , 57403 = = 0 , 082 7 Anti log 0 , 082 = 1, 20782 =
24.
Log 5 + Co log 3 5 0 , 69897 + 1 , 52288 = 0 , 04437 5 Anti log 0 , 04437 = − 1,10756 =
Log 23 , 725 + Log 9 ,182 + Log 7 ,184 6 Log 5 + Co log 8 25. 3 5 1, 37521+ 0 , 96294 + 0 , 85637 6 = = 0 , 69897 + 1 , 09691 3 5 3 ,19452 6 = = 1, 06484 Anti log 1, 06484 = − 11, 610207 = − 0 , 20412 = − 0 , 24494 = 1 , 75506 3 5 log 1 , 75506 = 0 , 568926 ≅ 0 , 56893 Anti Log12 . 316 + Log 0 , 25 + co log 931, 8 + co log 0 , 07
(
)
( (
19.
4 4 , 09047 + 1 , 39794 + 3 , 03068 + 1,15490 = 4 1, 67399 = = 0 , 41849 → Anti log 0 , 41849 = 2 , 621125 4
20.
Log 56 . 813 + co log 22 .117 5 4 , 75446 + 5 , 65527 5 0 , 40973 = = 0 , 081946 → Anti log 0 , 081946 = 1, 20766 5 =
26.
)
)
Log 3 + Co log 5 Log 5 + Co log 7 + 2 3 =
3 (0 , 47712 + 1 , 30103) + 2 (0 , 69897 + 1 , 15490) 6
3 (− 0 , 22185) + 2 (− 0 ,14613) = 6 − 0 , 6655 − 0 , 29226 = 6 − 0 , 95781 = = − 0 ,159635 = 1 , 840364 6 10 − 0 ,159635 = 0 , 6924126 Anti log 1 , 840364 = 0 , 69241