N to'plamda quyidagi amallardan qaysi biri assotsiativ a) ab; b) 2a+b A) * a) B) b) C) a) , b). D) ikkalasi ham emas 16




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15.N to'plamda quyidagi amallardan qaysi biri assotsiativ a) ab; b) 2a+b
A) * a) B) b) C) a) , b). D) ikkalasi ham emas
16. Mukammal sonni toping
A) 33 550 24 B) 33 556 336 D) * 33 650 336 C) 33 550 3360
17 Bo`sh bo`lmagan A to`plamdagi binary amal deb nimaga aytiladi?

  1. A ni A ga akslantirish B)* ni A ga akslantirish

  2. A ni ga akslantirish D) arifmatik amallarga

18. Ko`paytirish amaliga nisbatah gruppa tashkil etuvchi to`plamalarni toping.
A)* Q, R, C B) Z, Q, R C)N, Z, Q D) Z, R, C
19. Ifodaning qiymatini toping (R C) \ (Q Z) (N Z)
A) R B)Z C)* C\Z D) N
20………sonlar to`plami maydon tashkil etadi.

  1. Irratsional B) juft C) toq D)* algebraik


VARIANT – 3

1.Bo`linish munosabatining xossalaridan birini toping


A) ( a,b,c Z, c 0) a s => ab c B) ( a,b,c Z) a c => ab c
C)* ( a,b,c Z, c 0) a c => ab c D) ( a,b,c Z, c 0) a c => ab ac
2.(n 5 - 5 n 3 + 4 n ) Ifoda qaysi songa doimo bo`linadi
A)5 B) 7 C)*12 D)14
3.(6 2 n + 3 n + 2 + 3 n ) Ifoda qaysi songa doimo bo`linadi
A)6 B)12 C)14 D)*11
4. Агар (12a - 7b )  16 bo`lsa, u holda ........
A)* (4a +23b)  16 . B) (2a +23b)  16 . C) (4ª - 23b)  16 . D) (4a +21b)  16 .
5. Агар bo`lsa, u holda (a + b + 8c)  21 .
A) (30a + 8b + c)  21 B)* (50a + 8b + c)  21
C) (50a + 9b + c)  21 D) (50a + 8b + 3)  21

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N to'plamda quyidagi amallardan qaysi biri assotsiativ a) ab; b) 2a+b A) * a) B) b) C) a) , b). D) ikkalasi ham emas 16

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