Ziyokor o’quv markazi 8 va 10 sonlarining eng kihik umumiy karalisini toping? A 8; b 10; c 18; d 40; 2

Ziyokor o’quv markazi
1. 8 va 10 sonlarining eng kihik umumiy karalisini toping? A) 8; B) 10; C) 18; D) 40;
2. a va b ixtiyoriy natural sonlar bo’lsa, u holda 2a+8b ifoda quydagi sonlarning qaysi biriga qoldiqsiz bo’linadi? A) 2; B) 4; C) 3; D) 10;
3. EKUB(96,256) ni toping? A) 32; B) 8; C) 12; D) 16;
4. EKUK(81,90,126) ni toping? A) 6570; B) 5670; C) 5760; D) 810;
5. Kasr surat va maxrajining EKUBini toping? . A) 64; B) 96; C) 256; D) 128;
6. = tenglikdagi x ni toping? A) 3; B) 9; C) 2; D) topib bo’lmaydi;
7. = tenglikdagi x ni toping? A) 70; B) 9; C) 36; D) 18;
8. kasirni to’la qisqartiring? A) ; B) ; C) ; D) ;
9. kasirni to’la qisqartiring? A) ; B) ; C) ; D) ;
10. kasirni to’la qisqartiring? A) ; B) ; C) ; D) ;
11. kasr natural son bo’ladigan barcha natural n lar yig’indiini toping? A) 91; B) 90 C) 55; D)81;
12. Maxraji 24, surati esa EKUB(84, 120) ga teng karni toping va uni qisartiring?
A) ; . B) ; . C) ; . D) ; .
13. EKUB(135,90,405) ni toping? A) 9; B) 5; C) 15; D) 45;
14. EKUK(225,45,270) ni toping? A) 1 350; B) 2 250; C) 2 700; D) 4 500;
15.EKUB (m,n)=7, m n=490 bo’lsa, EKUK(m,n) ni toping? A) 49; B) 70; C) 140; D) topib bo’lmaydi;
16.EKUK (m,n)=120, m n=360 bo’lsa, EKUB(m,n) ni toping? A) 15; B) 5; C) 3; D) 6;
17. Yig’indini hisoblang? + A) ; B) ; C) ; D) ;
18. Yig’indini hisoblang? + A) ; B) ; C) ; D) ;
19. Ayirmani hisonlang? ? - A) ; B) ; C) ; D) ;
20. Yig’indini hisoblang? 1 +1 A) ; B)3 ; C)3 ; D)1 ;