Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 225 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. Soddalashtiring: 5b-(6b-a)-(a-6b) 5b 5b-2a 17b-2a 5b+2a 2 / 25 2. M ni shunday birhad bilan almashtiringki, natijada noma’lumning barcha qiymatlarida to`g`ri tenglik hosil bo`lsin: III I II IV 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. 29, 30 31, 29 27, 32 29, 29 4 / 25 4. Sonni standart ko`rinishda yozing: 1247800000 III IV II I 5 / 25 5. Ifodani ko`paytuvchilarga ajrating: 9b²-(a-3b)² a² (6b-a)(6b+a) (6b-a)a 18b²-a²+6ab 6 / 25 6. A C B D 7 / 25 7. A D C B 8 / 25 8. B A D C 9 / 25 9. A B C D 10 / 25 10. A D C B 11 / 25 11. C D A B 12 / 25 12. D C A B 13 / 25 13. A D C B 14 / 25 14. C B A D 15 / 25 15. B D A C 16 / 25 16. A B D C 17 / 25 17. B C D A 18 / 25 18. D C A B 19 / 25 19. D C B A 20 / 25 20. C D B A 21 / 25 21. C D A B 22 / 25 22. D C B A 23 / 25 23. D C B A 24 / 25 24. A C B D 25 / 25 25. D B A C 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
