2015-yilning variantlari Matematika (Informatika) javoblari bilan

2015-yilning variantlari Matematika (Informatika) javoblari bilan

VARIANT № 101

1.Uchburchakning tomonlari 15,14,13 bo’lsa, uchburchakka ichki chizilgan aylana radiusini toping.

A) 3 B)2 C)4 D) 7

2. Tengsizliklar sistemasini yeching.

A)(2;4) B)(3;6) C)(3;4) D) (3;5)

3.Radiuslari bir xil 3sm gat eng bo’lgan ikki aylan rasmdagidek ABCD trapetsiyada ichki chizilgan.Agar uning AD va BC asoslari mos ravishda 15 sm va 10sm bo’lsa,uning yon tomonlari AB va CD lar uzunliklari yig’indisini toping.


A) 19 sm B)25sm C)13sm D) 12sm

4.arcsinx/2>arcsin(x-1) tengsizlikni yeching

A) [0;1/2) B)[-1;1] C)(1/2;1] D) [0;2)

5. 324;255;71 sonlarining har birini qanday natural songa bo’lganda bir xil bo’ladi

A) 25 B)27 C)29 D) 23

6. ni hisoblang.

A)825 B)1 C)625 D)980

7.O’ngdan katta bo’lmagan barcha natural sonlar ko’pamymasining natural bo’luvchilari sonini toping.

A)275 B)270 C)280 D)260

8. Kasrni qisqartiring

A) B) C) D)

9. x=?

A)2b-c+a

B)b+2c+a

C)b+2c-a

D)2b-2c+a

10. dx ni hisoblang