Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 257 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-2a 17b-2a 5b+2a 5b 2 / 25 2. ABC uchburchakning AD medianasi BC tomondan keyin DE= AD bo`lgan kesmaga davom ettirilib, E nuqta B nuqta bilan tutashtirildi.Agar ∠ACD=450, ∠ABD=350 bo`lsa, ∠ABE ni toping. 70° 80° 10° 75° 3 / 25 3. Gazlamaning narxi 20 Ma’lum vaqtdan so’ng, yangi narx ham 25 ortdi. Gazlamaning narxi jami necha foiz ortdi? 55 % 50 % 60 % 70 % 4 / 25 4. 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 27, 32 29, 29 31, 29 5 / 25 5. Tenglamani yeching. 4,5-1,6∙(5x-3)=1,2∙(4x-1)-15,1 0 2 3 1 6 / 25 6. C D B A 7 / 25 7. C A B D 8 / 25 8. B C D A 9 / 25 9. C D B A 10 / 25 10. B C D A 11 / 25 11. C D A B 12 / 25 12. D B A C 13 / 25 13. B D C A 14 / 25 14. B D C A 15 / 25 15. D C B A 16 / 25 16. C A D B 17 / 25 17. B A C D 18 / 25 18. A C D B 19 / 25 19. C B D A 20 / 25 20. A D C B 21 / 25 21. C B A D 22 / 25 22. D A B C 23 / 25 23. A C D B 24 / 25 24. D C A B 25 / 25 25. A D C B 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
