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. Algebraik kasrni qisqartiring: III IV I II 2 / 25 2. Ikkita parallel to`g`ri chiziqlarni to`g`ri chiziq bilan kesishishidan hosil bo`lgan mos burchaklarning yig`indisi 2100 ga teng.Bu burchaklarni toping. 105°; 105° 110°; 100° 80°; 130° 115°; 95° 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 =15 sm; BC =12,5 sm; AB =16 sm; BC =12 sm; AB =12 sm; BC =16 sm; AB =12,5 sm; BC =15 sm; 4 / 25 4. Gazlamaning narxi 20 Ma’lum vaqtdan so’ng, yangi narx ham 25 ortdi. Gazlamaning narxi jami necha foiz ortdi? 50 % 70 % 55 % 60 % 5 / 25 5. Ifodani ko`paytuvchilarga ajrating: 9b²-(a-3b)² 18b²-a²+6ab (6b-a)a a² (6b-a)(6b+a) 6 / 25 6. C A B D 7 / 25 7. D C A B 8 / 25 8. A B D C 9 / 25 9. B D A C 10 / 25 10. C A B D 11 / 25 11. D B A C 12 / 25 12. B D C A 13 / 25 13. A C D B 14 / 25 14. C B D A 15 / 25 15. A D C B 16 / 25 16. B D A C 17 / 25 17. D A B C 18 / 25 18. A D B C 19 / 25 19. D B A C 20 / 25 20. A D C B 21 / 25 21. A C B D 22 / 25 22. C D B A 23 / 25 23. C D B A 24 / 25 24. D C B A 25 / 25 25. C D A B 0% Testni qayta ishga tushiring Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz
