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. bo‘lsa, nimaga teng? A) 5 B) 9 C) 7 D) 3 2 / 25 2. tenglama t ning qanday qiymatida uchta ildizga ega bo‘ladi? A) Ø B) 3 C) 5 D) 2 3 / 25 3. Agar va bo‘lsa, ni toping. A) 25 B) 11 C) 39 D) 31 4 / 25 4. funksiyaning grafigi qaysi choraklardan o‘tadi? A) II,III B) I,II,III,IV C) I,II D) III,IV 5 / 25 5. To‘g‘ri burchakli uchburchakka ichki va tashqi chizilgan aylanalar radiuslari 2 va 5 ga teng. Katetlarning yig‘indisini toping. A) 7 B) 12 C) 14 D) 9 6 / 25 6. 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) 2519 C) 1019 D) 1519 7 / 25 7. a,b-to‘g‘ri burchakli uchburchakning katetlari va h-gipotenuzaga tushirilgan balandligi bo‘lsa, yig‘indini toping. A) 4 B) 1 C) 3 D) 2 8 / 25 8. Sonlarni kamayish tartibida joylashtiring: A) a>b>c B) b>c>a C) c>a>b D) c>b>a 9 / 25 9. tenglama nechta ildizga ega? A) 1 B) 2 C) 4 D) 3 10 / 25 10. tengsizlik yechimlari joylashgan interval uzunligini toping. A) 0,125 B) 0,25 C) 0,5 D) 0,75 11 / 25 11. va a,b>0 bo‘lsa, ifodaning eng kichik qiymatini toping. A) 3 B) 4 C) 1 D) 2 12 / 25 12. ko‘phadning barcha koeffitsientlari va ozod hadining yig‘indisini toping. A) 125 B) -247 C) -238 D) 245 13 / 25 13. Tenglamani yeching: A) (1;-2) B) (-2;1) C) (2;1) D) (1;-2) 14 / 25 14. Ifodaning oxirgi raqamini aniqlang: A) 6 B) 0 C) 1 D) 3 15 / 25 15. 32017 sonning oxirgi ikkita raqamini toping. A) 13 B) 83 C) 03 D) 63 16 / 25 16. Doiraga ichki chizilgan kvadrat undan yuzasi ga teng bo‘lgan segmentni ajratadi. Kvadratning yuzasini toping. A) 2 B) 8 C) 16 D) 4 17 / 25 17. 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) 15 B) 12 C) 16 D) 14 18 / 25 18. Beshyulduzning uchidagi burchaklarining yig‘indisini toping. A) 270° B) 180° C) 240° D) 90° 19 / 25 19. To‘g‘ri burchakli uchburchakda AC=3, BC=4, CD-balandlik va CE-bissektrisa. DE ni toping. A) 12/35 B) 15/31 C) 23/35 D) 21 20 / 25 20. 1!+2!+3!+.....+10! sonining oxirgi raqamini toping. A) 7 B) 0 C) 6 D) 3 21 / 25 21. tenglamaning ildizlari yig‘indisini toping. A) 10 B) -6 C) 6 D) -2 22 / 25 22. 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=-x²-2x C) y=-x²+1 D) y=x²-2x 23 / 25 23. funksiyaning qiymatlar to‘plamini toping. A) [-2;2] B) [-1;3] C) [1;3] D) [1;4] 24 / 25 24. tenglama nechta natural yechimga ega? A) 4 B) 2 C) 1 D) 3 25 / 25 25. 750 ning oxirgi ikkita raqamini toping. A) 35 B) 49 C) 51 D) 25 0% Testni qayta ishga tushiring Author: InfoMaster Matematika olimpiada
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