Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 123 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 soddalashtiring: 15x⁶y¹⁰ 15x⁷y¹⁰ 15x⁵y⁶ 15x⁵y¹⁰ 2 / 25 2. Agar a=-8,3 bo`lsa, 0,6a+0,4∙(a-5,5) ifodaning qiymatini toping. – 10,5 10,5 1,05 – 1,05 3 / 25 3. O’lchovlari 8 va 20 ga teng bo’lgan to’g’ri to’rt burchaklardan eng kamida nechtasini birlashtirib, kvadrat hosil qilish mumkin? 9 10 15 11 4 / 25 4. To`g`ri burchakli uchburchakning gipotenuzasiga tushirilgan medianasi 8 sm. Uchburchakning burchaklaridan biri 600 bo`lsa, bu burchakka yopishgan tomonlarini toping (sm). 7 5 8 9 5 / 25 5. Uchburchakning ikki bissektrissasining kesishishidan hosil bo`lgan burchak 1280 ga teng. Uchburchakning uchinchi burchagini toping. 65 67 66 64 6 / 25 6. A C B D 7 / 25 7. D C B A 8 / 25 8. D A C B 9 / 25 9. B D C A 10 / 25 10. C B D A 11 / 25 11. D C A B 12 / 25 12. D B A C 13 / 25 13. D B A C 14 / 25 14. A C D B 15 / 25 15. C A D B 16 / 25 16. D B C A 17 / 25 17. A B D C 18 / 25 18. C A D B 19 / 25 19. C A B D 20 / 25 20. A D C B 21 / 25 21. C B D A 22 / 25 22. B C D A 23 / 25 23. A C D B 24 / 25 24. C A D B 25 / 25 25. C D A B 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
