Matematika fanidan 7-sinflar uchun 1-variant

Matematika fanidan 7-sinflar II variant
1.
A)2,(6) B) -2,(6) C)3,(6) D)- 3,(3)
2. (2011)²⁰¹⁰ ni 5 ga bo’lgandagi qoldiqni toping.
A)0 B)1 C)2 D)4
3. Qo’shni burchaklar bissektrissalari orasidagi burchakni aniqlang
A)45⁰ B) 90⁰ C) 120⁰ D)36⁰
4. Kubning to’la sirti 96 ga teng bo’lsa, uning hajmini toping.
A)46 B)96 C)64 D)16
5.
A) 1 B) 3 C) 3^m+2n D)3^m-2n
6. tenglamani nechta yechimi bor?
A)2 B)4 C)3 D)1
7. x,y,z sonlari 3,5,7 sonlariga proporsional bo’lsa, 2x-z=6 bo’lsa, y=?
A)-14 B)-24 C)-30 D)-36
8.
A)10 B)10² C)10³ D)10⁵


9.
A)a+5 B)7a-7 C)7 D)3a-5
10. Teng yonli ACB uchburchakda A va C burchaklar teng. AB:AC=5:3 bo’lsa, AB-AC=3 ga teng. Uchburchak perimetrini toping.
A)19,5 B)18,5 C)17,5 D)16
11. 125 ning kubi qanday raqam bilan tugaydi?
A)0 B)2 C)4 D)5
12.
A)1 B)2 C)2^m+5 D)2⁸
13. Perimetri 30 bo’lgan uchburchakning bissektrissasi uni perimetrlari 16 va 24 bo’lgan uchburchaklarga ajratadi. Berilgan uchburchakning bissektrisasini toping.
A)6 B)8 C)10 D)7 C)5
14.
A) B) C) D)
15. O’ziga qo’shni bo’lgan burchakning qismiga teng bo’lgan burchakni aniqlang.
A)54⁰ B)66⁰ C)72⁰ D)42⁰ E) 63⁰
16. Qo’shni burchaklardan biri ikkinchisidan 40⁰ ga katta Shu qo’shni burchaklarni toping.
A)110⁰,70⁰ B)160⁰,20⁰ C)140⁰,40⁰ D)20⁰,160⁰
17. To’rtburchakka diagonal o’tkazish natijasida u perimetrlari 25 va 27 bo’lgan ikkita uchburchakka ajratildi. To’rtburchak perimetri 32 bo’lsa,, diagonal uzunligini aniqlang.
A)6 B)8 C)10 D)11
18. Teng yonli uchburchakning perimetri 48 ga teng. Uning tomonlaridan biri 12 ga teng bo’lsa, qolgan tomonlarini toping.
A)12,12 B)16,16 C)18,24 D)18,18