Matematika sinf. Test savollari. Iii-chorak II- variant. Tog`ri to`rtburchakning eni sm ga teng, bo`yi undan sm ga ortiq bo`lsa, uning perimetrini toping

A) 5 B) 2 C) 3 D) 4
23. Tog`ri burchakli uchburchakning gipotenuzasi 12 sm, 30⁰ li burchak qarshisidagi katet uzunligini toping.
A) 4 sm B) 6 sm C) 9 sm D) 12 sm
24. Quyidagi mulohazalardan qaysi biri noto`g`ri ? A) Uchburchakda katta tomon qarshisida katta burchak yotadi .
B) Uchburchakda katta burchak qarshisida katta tomon yotadi. C) Uchburchakda kichik burchak qarshisida katta tomon yotadi. D) Uchburchakda kichik burchak qarshisida kichik tomon yotadi
25. Teng yonli tog`ri burchakli uchburchak kichik burchagini toping.
A) 30⁰ B) 45⁰ C) 15⁰ D) 60⁰


Matematika. 7 sinf. Test savollari. III-chorak III - variant.

1. 
   2(2x-3)=4x+4 tenglamani yeching. A) 0 B) -7 C) 7 D) yechimga ega emas
   
2. 
   30⁰C li 3 l suvga 40⁰C li necha litr suv qo`shilsa, 37<sup>0</sup>C li suv hosil bo`ladi?
   

A) 7 litr B) 8 litr C) 9 litr D) 6 litr

3. 
   Eng kata burchakni toping
   

A) 70,5⁰ B) 71,5⁰ C) 71⁰ D) 72⁰

4. 
   hisoblang A) -3 B) C)_{ } D) -2,7
   
5. 
   Y=3x+1 to`g`ri chiziq koordinata tekisligining qaysi choraklarida o`tadi
   

A)I,II,III B) I, III,IV C) I,II,IV D) II, III,IV

6. 
   Ko’paytuvchilarga ajrating: 5(a-b)+a²(a-b)-3(b-a).
   

A) (a-b)(a²+2) B) (a-b)(a²+8) C) (a-b)(a²-8) D) (b-a)(a²-8)

7.