Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 284 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 1 Savollar 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 7-sinflar Matematika olimpiada №2 07.12.2022 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 1. ABC uchburchakning AD medianasi BC tomondan keyin DE= AD bo`lgan kesmaga davom ettirilib, E nuqta B nuqta bilan tutashtirildi.Agar ∠ACD=450, ∠ABD=350 bo`lsa, ∠ABE ni toping. 75° 10° 80° 70° 2 / 25 2. Ifodani ko`paytuvchilarga ajrating: 9b²-(a-3b)² 18b²-a²+6ab (6b-a)(6b+a) a² (6b-a)a 3 / 25 3. Tenglamaning ildizi x0 bo’lsa, 18:x0 ifodaning son qiymatini toping. 78/7 7 -7 6 4 / 25 4. Ifodaning qiymatini toping: 25 195 15 125 5 / 25 5. Agar a=-8,3 bo`lsa, 0,6a+0,4∙(a-5,5) ifodaning qiymatini toping. 10,5 – 1,05 1,05 – 10,5 6 / 25 6. A D B C 7 / 25 7. B C D A 8 / 25 8. B D C A 9 / 25 9. A D B C 10 / 25 10. D A B C 11 / 25 11. A B D C 12 / 25 12. A C D B 13 / 25 13. A B D C 14 / 25 14. A C D B 15 / 25 15. B D C A 16 / 25 16. C B D A 17 / 25 17. C D A B 18 / 25 18. D A C B 19 / 25 19. A B D C 20 / 25 20. A B D C 21 / 25 21. C D A B 22 / 25 22. A D C B 23 / 25 23. B A C D 24 / 25 24. D B A C 25 / 25 25. D A B C 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
