7-sinflar Matematika olimpiada №2 Dekabr 12, 2022Dekabr 12, 2022 da chop etilgan InfoMaster tomonidan 7-sinflar Matematika olimpiada №2 ga 1 fikr bildirilgan 1 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. – 1,05 – 10,5 10,5 1,05 2 / 25 2. To`g`ri burchakli parallelepipedning asosi tomoni c sm ga teng bo`lgan kvadratdan iborat bo`lib,balandligi d Bu parallelepipeddan qirrasi c sm bo`lgan kub qirqib olindi. Qolgan qismining hajmi V (sm3)ni hisoblash formulasini tuzing. Agar c=2,5 sm, d=4 sm bo`lsa, V ni toping. 9 75/8 1/8 81/8 3 / 25 3. Sonni standart ko`rinishda yozing: 1247800000 IV I III II 4 / 25 4. Tenglamani yeching. 4,5-1,6∙(5x-3)=1,2∙(4x-1)-15,1 3 0 1 2 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. 27, 32 29, 29 31, 29 29, 30 6 / 25 6. C B D A 7 / 25 7. D C A B 8 / 25 8. D B A C 9 / 25 9. A C D B 10 / 25 10. C B A D 11 / 25 11. D B C A 12 / 25 12. B A D C 13 / 25 13. D A B C 14 / 25 14. D A B C 15 / 25 15. D A C B 16 / 25 16. A C B D 17 / 25 17. A C D B 18 / 25 18. A D B C 19 / 25 19. D C A B 20 / 25 20. B D A C 21 / 25 21. A C B D 22 / 25 22. D A C B 23 / 25 23. C D A B 24 / 25 24. B C A D 25 / 25 25. A D C B 0% Testni qayta ishga tushiring tomonidan Wordpress Quiz plugin Matematika olimpiada
