7-sinflar Matematika olimpiada №2 Dekabr 12, 2022Dekabr 12, 2022 da chop etilgan InfoMaster tomonidan 7-sinflar Matematika olimpiada №2 ga fikr bildirilmagan. 4 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 7-sinflar Matematika olimpiada №2 07.12.2022 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 1. Agar qo`shni burchaklardan biri ikkinchisidan 450 katta bo`lsa,ularni toping . 113°;67° 111°30'; 68°30' 112°30'; 67°30' 135°;45° 2 / 25 2. Algebraik kasrni qisqartiring: III I II IV 3 / 25 3. Ifodani soddalashtiring: 125a³-225a² b+135ab²-27b³ (3a+5b)³ (5a-3b)³ (5a)³-(3b)³ (3a-5b)³ 4 / 25 4. Ifodaning qiymatini toping: 25 125 195 15 5 / 25 5. To`g`ri burchakli uchburchakning gipotenuzasiga tushirilgan medianasi 8 sm. Uchburchakning burchaklaridan biri 600 bo`lsa, bu burchakka yopishgan tomonlarini toping (sm). 9 7 5 8 6 / 25 6. D C A B 7 / 25 7. B C A D 8 / 25 8. B C A D 9 / 25 9. C A D B 10 / 25 10. A C B D 11 / 25 11. B C D A 12 / 25 12. C D B A 13 / 25 13. B D C A 14 / 25 14. B D A C 15 / 25 15. D A B C 16 / 25 16. B C D A 17 / 25 17. D B C A 18 / 25 18. B C D A 19 / 25 19. C B A D 20 / 25 20. A B D C 21 / 25 21. C D A B 22 / 25 22. A B D C 23 / 25 23. A C D B 24 / 25 24. A B C D 25 / 25 25. D B C A 0% Testni qayta ishga tushiring Author: InfoMaster Matematika olimpiada