6-sinf ii-chorak

A)2³ B)(-6)³ C) 6³ D)(-6)²

14.Tenglamani yeching: x ∙2⁶ =2⁸

A)4 B)6 C)2 D)8

15.O’xshash hadlarni ixchamlang: 2x +3∙(x-1) + 4x -2∙(x+3)

16.Hisoblang: 4∙(3-(a-b)²) bu yerda a=5; b=1

17.Ko’paytiring: (5a) ∙(a²b²) ∙(-2b) ∙(-3a)

18.Daraja shaklida yozing. 27 ∙3ⁿ
Geometriya

1.Teng yonli uchburchakning perimetri 25 sm ga teng. Agar uning yon tomoni asosidan 5 sm ortiq bo’lsa, uchburchak tomonlarini toping.

A)5; 10; 10 B) 5 ;3 4 C) 5; 5; 10 D)6; 5 ;10
2.Uchburchak bissektrissasi, uchburchakni perimetrlari 16 va 14 ga teng bo’lgan uchburchaklarga ajratadi. Berilgan uchburchak perimetri 40 sm ga teng bo’lsa, bissektrisa uzunligini toping.

A)6 B)10 C)5 D)4.

3.Qo’shni burchaklardan biri ikkinchisidan 65^o ga katta. Shu burchaklardan kattasini toping.

A) 115⁰ B) 105^o C)110^o D)160^o

4.Uchburchak tomoni x sm bo’lsa, ikkinchi tomoni birinchisidan 6 sm qisqa va uchinchi tomoni birinchisidan 8 sm uzun bo’lsa, uchburchak perimetrini toping.

A) 2x -6 B)3x+2 C)2x+2 D)3x+6

5.Qo’shni burchaklarning kattaligi 2:7 nisbatda bo’lsa, shu burchaklarni toping.
6.To’g’ri to’rtburchakda ikkita diagonali o’tkazilsa, to’rtburchak nechta uchburchakka ajratiladi?
7.Perimetri tomonlari 6 va 8 sm ga teng bo’lgan to’rtburchak perimetriga teng bo’lgan kvadratning yuzini toping.