Uy » Online olimpiada » Matematika olimpiada » 7-sinflar Matematika olimpiada №2 Matematika olimpiada 7-sinflar Matematika olimpiada №2 InfoMaster Dekabr 12, 2022 290 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 0 Savollar 12345678910111213141516171819202122232425 Vaqtingiz tugadi! Tomonidan yaratilgan InfoMaster 7-sinflar Matematika olimpiada №2 07.12.2022 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 1. Agar a=-8,3 bo`lsa, 0,6a+0,4∙(a-5,5) ifodaning qiymatini toping. – 10,5 – 1,05 1,05 10,5 2 / 25 2. Agar qo`shni burchaklardan biri ikkinchisidan 450 katta bo`lsa,ularni toping . 112°30'; 67°30' 135°;45° 113°;67° 111°30'; 68°30' 3 / 25 3. Uchburchakning ikki bissektrissasining kesishishidan hosil bo`lgan burchak 1280 ga teng. Uchburchakning uchinchi burchagini toping. 66 65 67 64 4 / 25 4. 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 =12,5 sm; BC =15 sm; AB =16 sm; BC =12 sm; AB =12 sm; BC =16 sm; AB =15 sm; BC =12,5 sm; 5 / 25 5. Uchburchakning ikkita uchidagi tashqi burchaklari o`zaro teng va perimetri 74 sm, uning bir tomoni 16 sm ga teng. Ikkita qolgan tomonlarini toping. 31, 29 27, 32 29, 30 29, 29 6 / 25 6. B D A C 7 / 25 7. A B D C 8 / 25 8. D B A C 9 / 25 9. D B C A 10 / 25 10. B A D C 11 / 25 11. C B D A 12 / 25 12. D C B A 13 / 25 13. A B C D 14 / 25 14. C D A B 15 / 25 15. C A D B 16 / 25 16. B A C D 17 / 25 17. C A B D 18 / 25 18. D B A C 19 / 25 19. B C D A 20 / 25 20. D A C B 21 / 25 21. D A C B 22 / 25 22. A D C B 23 / 25 23. C B A D 24 / 25 24. D A B C 25 / 25 25. A C B D 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
