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. Tenglamani yeching. 4,5-1,6∙(5x-3)=1,2∙(4x-1)-15,1 1 0 2 3 2 / 25 2. Ifodani soddalashtiring: 15x⁵y⁶ 15x⁵y¹⁰ 15x⁶y¹⁰ 15x⁷y¹⁰ 3 / 25 3. Gazlamaning narxi 20 Ma’lum vaqtdan so’ng, yangi narx ham 25 ortdi. Gazlamaning narxi jami necha foiz ortdi? 70 % 60 % 50 % 55 % 4 / 25 4. Sonni standart ko`rinishda yozing: 1247800000 I IV III II 5 / 25 5. 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. 75/8 9 81/8 1/8 6 / 25 6. B A D C 7 / 25 7. C B D A 8 / 25 8. C A D B 9 / 25 9. C A D B 10 / 25 10. B C D A 11 / 25 11. C D B A 12 / 25 12. D C A B 13 / 25 13. D A C B 14 / 25 14. A D B C 15 / 25 15. D B C A 16 / 25 16. D A C B 17 / 25 17. B A D C 18 / 25 18. A B D C 19 / 25 19. C A D B 20 / 25 20. C A B D 21 / 25 21. D C B A 22 / 25 22. C D A B 23 / 25 23. C A D B 24 / 25 24. D B A C 25 / 25 25. A C B D 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
