Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 117 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. Ifodani ko`paytuvchilarga ajrating: 9b²-(a-3b)² a² (6b-a)(6b+a) (6b-a)a 18b²-a²+6ab 2 / 25 2. To`g`ri burchakli uchburchakning gipotenuzasiga tushirilgan medianasi 8 sm. Uchburchakning burchaklaridan biri 600 bo`lsa, bu burchakka yopishgan tomonlarini toping (sm). 5 9 8 7 3 / 25 3. Asosi BC bo`lgan teng yonli ABC uchburchakning perimetri 40 sm va teng tomonli BCD uchburchakning perimetri 45 sm ga teng. AB va BC tomonlarni toping. AB =12 sm; BC =16 sm; AB =15 sm; BC =12,5 sm; AB =12,5 sm; BC =15 sm; AB =16 sm; BC =12 sm; 4 / 25 4. A, B va C nuqtalar bir to`g`ri chiziqda yotadi. Agar AB=14 sm, BC=16,5 sm bo`lsa, AC ni toping. 2,5 sm 30,5 sm 2,5 sm va 30,5 sm 3,5 sm va 29,5 sm 5 / 25 5. Tenglamani yeching: 8x+5=119+(7-3x) 12 1,2 11 1,1 6 / 25 6. B C A D 7 / 25 7. A D B C 8 / 25 8. A D C B 9 / 25 9. D B C A 10 / 25 10. C D A B 11 / 25 11. A B D C 12 / 25 12. A B C D 13 / 25 13. A B D C 14 / 25 14. C D B A 15 / 25 15. D C B A 16 / 25 16. B A D C 17 / 25 17. A D B C 18 / 25 18. B A D C 19 / 25 19. C B A D 20 / 25 20. B D A C 21 / 25 21. C D A B 22 / 25 22. C B A D 23 / 25 23. A D B C 24 / 25 24. B C A D 25 / 25 25. B D C A 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz
