17
Uchburchakning ikkita burchagining yig’indisi 720. Uchburchakning o’tkir burchaklari bissektrisalari kesishishidan hosil bo’lgan o’tkir burchakni toping.
|
|
А)
|
1440
|
|
В)
|
720
|
|
C)
|
360
|
|
D)
|
900
|
|
|
|
18
|
P(x)=(2x-1)2011 ko’phadning barcha koeffitsiyentlari yig’indisini toping.
|
|
А)
|
2017
|
|
В)
|
2016
|
|
C)
|
1
|
|
D)
|
-1
|
|
|
|
19
|
7+9+11+…+(2n+1)=an2+bn+c bo’lsa, a+b+c ning qiymatini toping.
|
|
А)
|
0
|
|
В)
|
4
|
|
С)
|
-6
|
|
D)
|
-5
|
|
|
|
20
|
k ning nechta natural qiymatida tenglama yechimga ega bo’lmaydi.
|
|
А)
|
7
|
|
В)
|
8
|
|
С)
|
5
|
|
D)
|
6
|
|
|
|
21
|
30! sonni tub kupaytuvchilarga ajratganda ko’paytmada 2n, 3m va 7k lar ishtirok etsa, n+m+k=?
|
|
А)
|
46
|
|
B)
|
44
|
|
С)
|
40
|
|
D)
|
50
|
|
|
|
22
|
Hisoblang. .
|
|
А)
|
|
|
В)
|
|
|
C)
|
|
|
D)
|
|
|
|
|
|