Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 192 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: 125a³-225a² b+135ab²-27b³ (5a)³-(3b)³ (3a-5b)³ (3a+5b)³ (5a-3b)³ 2 / 25 2. Agar qo`shni burchaklardan biri ikkinchisidan 450 katta bo`lsa,ularni toping . 135°;45° 113°;67° 111°30'; 68°30' 112°30'; 67°30' 3 / 25 3. Uchburchakning ikkita uchidagi tashqi burchaklari o`zaro teng va perimetri 74 sm, uning bir tomoni 16 sm ga teng. Ikkita qolgan tomonlarini toping. 27, 32 29, 29 29, 30 31, 29 4 / 25 4. Uchburchakning ikki bissektrissasining kesishishidan hosil bo`lgan burchak 1280 ga teng. Uchburchakning uchinchi burchagini toping. 66 67 65 64 5 / 25 5. Algebraik kasrni qisqartiring: I IV II III 6 / 25 6. B A C D 7 / 25 7. C B D A 8 / 25 8. D A C B 9 / 25 9. C B D A 10 / 25 10. C A B D 11 / 25 11. C A B D 12 / 25 12. B A D C 13 / 25 13. C B D A 14 / 25 14. D C B A 15 / 25 15. C D A B 16 / 25 16. D A B C 17 / 25 17. A D C B 18 / 25 18. C D B A 19 / 25 19. B A C D 20 / 25 20. C B D A 21 / 25 21. B D A C 22 / 25 22. A C D B 23 / 25 23. A B D C 24 / 25 24. B D C A 25 / 25 25. A D C B 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
