Page 289 - Алгебра 1 бөлім 10 сынып
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2) 16 665. 4.31. 1) 0,25; 2) –1,75. 4.33. 1) 1; 2) 0;
3) –17; 4) 6. 4.34. 1) b = 4; 2) b = –0,5;
3 6
3) b = 0,25; 4) b 1 . 4.35. 22. 5.1. 1) n = 10,
7 10
32
S = 1023; 2) n = 5, S =155; 3) n = 5, S = 363.
10 5 5
5.3. 3) q = 2, n = 6; 4) q = 3, n = 5. 5.5. 3) n = 4,
b 3 ; 4) n = 3, b = –1,17. 5.6. 3) b = 3,
n n 1
40
S 45 ; 4) b 1 , S 65 . 5.7. 1) b = 1,
n 1 n 1
8 9 72
b = 1024; 2) b = 81, b = 1. 5.8. 1) b = 48,
n 1 n 1
n = 5; 3) b = 0,125, n = 6; 4) b = 81, n = 6. 5.9.
1 1
1) 129 : 1; 2) 512 : 513. 5.10. 1) 242 000 тг;
2) 18 818 тг. 5.11. 1) 890; 2) 4953. 5.12. 1) 192;
2) 468. 5.15. 1) 2; 2) 4. 5.16. 188 238 тг. 5.17.
1) b = 1 және S = 121; 2) b = 2 және S = 682.
1 5 1 5
5.18. 1) 10n ; 2) 11n . 5.19. 6,2. 5.20. 10. 5.21.
–9. 5.22. a) 2; 254. 5.23. 30. 5.24. – 54; 18; –6;
2 немесе 2, –6; 18; –54. 5.25. –1. 5.26. 1) (–4; 11);
2) ( 2) (18; ). 5.27. 1) (2; ); 2)
;
9
( 1 ). 5.28. 1) 16 900; 2) 10 100. 5.30. 7,5;
;
16
10; 12,5; 15; 17,5; 20; 22,5. 5.31. 1) S 11 2047;
288