Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 120 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. 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 31, 29 29, 30 2 / 25 2. Ifodaning qiymatini toping: 125 15 25 195 3 / 25 3. 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° 115°; 95° 110°; 100° 80°; 130° 4 / 25 4. Ko’paytuvchilarga ajrating: x⁴+x²+1 IV I III II 5 / 25 5. 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. 75° 10° 80° 70° 6 / 25 6. C B A D 7 / 25 7. A C B D 8 / 25 8. C A D B 9 / 25 9. C A D B 10 / 25 10. A C D B 11 / 25 11. B D C A 12 / 25 12. C A D B 13 / 25 13. C D B A 14 / 25 14. C D B A 15 / 25 15. C D A B 16 / 25 16. A C D B 17 / 25 17. B C D A 18 / 25 18. C A D B 19 / 25 19. C A D B 20 / 25 20. C B D A 21 / 25 21. C A D B 22 / 25 22. A B C D 23 / 25 23. A C B D 24 / 25 24. C B A D 25 / 25 25. C A D B 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
