11-sinf Matematika olimpiada №1 Oktabr 20, 2021Aprel 29, 2022 da chop etilgan InfoMaster tomonidan 11-sinf Matematika olimpiada №1 ga 9 fikr bildirilgan 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 11-sinf Matematika olimpiada №1 2020-yil tuman bosqichida tushgan savollar Ismi familiyangizni kriting! Iltimos ma'lumotlaringizni to'g'ri kritishga e'tibor bering! 1 / 25 1. 750 ning oxirgi ikkita raqamini toping. A) 25 B) 51 C) 49 D) 35 2 / 25 2. Ifodaning oxirgi raqamini aniqlang: A) 3 B) 6 C) 1 D) 0 3 / 25 3. tenglamaning ildizlari yig‘indisini toping. A) -2 B) -6 C) 6 D) 10 4 / 25 4. 2, 3, 4, 5, 6, 7, 8, 9, 10 sonlariga bo‘lganda mos ravishda 1, 2, 3, 4, 5, 6, 7, 8, 9 qoldiqlar hosil bo‘ladigan eng kichik natural sonni toping A) 5039 B) 1019 C) 1519 D) 2519 5 / 25 5. To‘g‘ri burchakli uchburchakka ichki va tashqi chizilgan aylanalar radiuslari 2 va 5 ga teng. Katetlarning yig‘indisini toping. A) 12 B) 14 C) 9 D) 7 6 / 25 6. Tenglamani yeching: A) (-2;1) B) (2;1) C) (1;-2) D) (1;-2) 7 / 25 7. Doiraga ichki chizilgan kvadrat undan yuzasi ga teng bo‘lgan segmentni ajratadi. Kvadratning yuzasini toping. A) 16 B) 2 C) 4 D) 8 8 / 25 8. 32017 sonning oxirgi ikkita raqamini toping. A) 63 B) 03 C) 83 D) 13 9 / 25 9. tenglama nechta ildizga ega? A) 2 B) 1 C) 4 D) 3 10 / 25 10. ABC uchburchakka aylana tashqi chizilgan. Uchburchakning AM medianasi aylana bilan K nuqtada kesishguncha davom ettirilgan. Agar AM=18,MK=8,BK=10 bo‘lsa, AC tomonini toping. A) 14 B) 16 C) 12 D) 15 11 / 25 11. Agar va bo‘lsa, ni toping. A) 39 B) 25 C) 31 D) 11 12 / 25 12. funksiyaning qiymatlar to‘plamini toping. A) [-2;2] B) [-1;3] C) [1;3] D) [1;4] 13 / 25 13. tenglama nechta natural yechimga ega? A) 2 B) 3 C) 1 D) 4 14 / 25 14. Koordinata boshidan o‘tuvchi, simmetriya o‘qi ordinata o‘qiga parallel, cho‘qqisi y=x va y+x-2=0 to‘g‘ri chiziqlar kesishgan nuqtada bo‘lgan parabolaning tenglamasini toping. A) y=-x²+2x B) y=-x²+1 C) y=-x²-2x D) y=x²-2x 15 / 25 15. 1!+2!+3!+.....+10! sonining oxirgi raqamini toping. A) 3 B) 7 C) 6 D) 0 16 / 25 16. tenglama t ning qanday qiymatida uchta ildizga ega bo‘ladi? A) 5 B) 3 C) 2 D) Ø 17 / 25 17. a,b-to‘g‘ri burchakli uchburchakning katetlari va h-gipotenuzaga tushirilgan balandligi bo‘lsa, yig‘indini toping. A) 2 B) 3 C) 1 D) 4 18 / 25 18. Sonlarni kamayish tartibida joylashtiring: A) c>a>b B) c>b>a C) b>c>a D) a>b>c 19 / 25 19. va a,b>0 bo‘lsa, ifodaning eng kichik qiymatini toping. A) 1 B) 4 C) 2 D) 3 20 / 25 20. To‘g‘ri burchakli uchburchakda AC=3, BC=4, CD-balandlik va CE-bissektrisa. DE ni toping. A) 21 B) 23/35 C) 15/31 D) 12/35 21 / 25 21. Beshyulduzning uchidagi burchaklarining yig‘indisini toping. A) 180° B) 270° C) 90° D) 240° 22 / 25 22. ko‘phadning barcha koeffitsientlari va ozod hadining yig‘indisini toping. A) 245 B) 125 C) -247 D) -238 23 / 25 23. bo‘lsa, nimaga teng? A) 9 B) 7 C) 5 D) 3 24 / 25 24. tengsizlik yechimlari joylashgan interval uzunligini toping. A) 0,5 B) 0,25 C) 0,75 D) 0,125 25 / 25 25. funksiyaning grafigi qaysi choraklardan o‘tadi? A) I,II,III,IV B) III,IV C) II,III D) I,II 0% Testni qayta ishga tushiring Author: InfoMaster Matematika olimpiada
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