A) [0,5; 20] B) [5; 10] C) [2,5; 20] D) [5;20]
Arifmetik progressiyaning oltinchi hadi 17 ga, dastlabki 16 ta hadining yig’indisi 392 ga teng. Bu progressiyaning 9-hadini toping.
A) 24 B) 26 C) 13 D) 18
28.  ni soddalashtiring.
A)  B) –1 C)  D) –2
29 To’gri burchakli uchburchakning tomonlari 24, 32 va 40 bo’lsa, unga ichki va tashqi chizilgan aylanalar markazlari orasidagi masofani toping.
A)  B)  C) 4 D) 
Do'stlaringiz bilan baham: |
