Matematika 7-sinf I variant. Test savollari

23.МКРuchburchakda МСmediana КРtomonning yarmiga teng. МКРuchburchakning M burchagini toping.
24.АВСto’g’ri burchakli uchburchakda Сto’g’riburchak, Вburchak 27^оga teng, СD – balandlik, СК - АСВburchakning bissektrisasi. DСКburchakni toping.
25.МРКuchburchakning Рburchagi K burchagining 60% ini tashkil qiladi, burchak М esa P burchakdan 4^о katta. Р burchakni toping.

3 variant.
1. Ifodaning qiymatini toping:
A)-6 B)-1,5 C)6 D)1,5
2. x=1, y=-2 bo`lsa, algebraik ifodaning qiymatini toping.
A)5 B)-5C) D)
3. ifoda ma’noga ega bo`lmaydigan (a;B)sonlar juftligini toping.
A)(1;1) B)(-1; -3) C)(3;-9) D)(0; 3)
4. Tenglamani yeching:
A)2,5 B)7,5 C)-2,5 D)-7,5
5. Darajaning xossalaridan foydalanib, hisoblang:
A)12 B) C)144 D)1
6.Uchtasexda 1800 ta ishchiishlaydi. Вirinchi sexda ikkinchisiga qaraganda 1,2 martako’p, uchinchisexda esa birinchisidan 100 ta ishchiko’p. Uchinchisexda nechta ishchiishlaydi?
A)400; B)500; C)600; D)700.
7.Yuk mashinasi 2 soatda yengil avtomobil 1 soatda bosib o’tgan yo’ldan 20 km ko’p yo’l bosadi. Yengil avtomobilning tezligi yuk mashinasining tezligidan 1,5marta ko’p. Yuk mashinasining tezligini toping.
A)20 km/soat; B)30 km/soat; C)40 km/soat; D)50 km/soat.
8. Tenglamani yeching: .
A)9; B)27; C)243; D)81.
9. Ifodani soddalashtiring: .


10.Ifodanisoddalashtirib, qiymatinihisoblang:
, bunda

11. Bo’lishni bajaring: .

12. Bo’lishni bajaring: .