Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 250 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 0 12345678910111213141516171819202122232425 Vaqtingiz tugadi! 7-sinflar Matematika olimpiada №2 07.12.2022 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 1. Uchburchakning ikki bissektrissasining kesishishidan hosil bo`lgan burchak 1280 ga teng. Uchburchakning uchinchi burchagini toping. 64 66 67 65 2 / 25 2. Tenglamaning ildizi x0 bo’lsa, 18:x0 ifodaning son qiymatini toping. -7 6 7 78/7 3 / 25 3. Agar a=-8,3 bo`lsa, 0,6a+0,4∙(a-5,5) ifodaning qiymatini toping. – 10,5 10,5 – 1,05 1,05 4 / 25 4. Agar qo`shni burchaklardan biri ikkinchisidan 450 katta bo`lsa,ularni toping . 135°;45° 111°30'; 68°30' 112°30'; 67°30' 113°;67° 5 / 25 5. Ifodani ko`paytuvchilarga ajrating: 9b²-(a-3b)² (6b-a)(6b+a) 18b²-a²+6ab (6b-a)a a² 6 / 25 6. B A D C 7 / 25 7. A B D C 8 / 25 8. C B D A 9 / 25 9. B C D A 10 / 25 10. D C A B 11 / 25 11. D B C A 12 / 25 12. B D C A 13 / 25 13. B C A D 14 / 25 14. C B A D 15 / 25 15. C B D A 16 / 25 16. A D B C 17 / 25 17. A C D B 18 / 25 18. D C A B 19 / 25 19. C A B D 20 / 25 20. A D B C 21 / 25 21. B C A D 22 / 25 22. B D C A 23 / 25 23. A B D C 24 / 25 24. B C A D 25 / 25 25. D B A C 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
