9-sinf Fizika fani test materiali 1-variant


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Javob:______________________________
13.Trapetsiyaning asoslari 17 sm va 23 sm gat eng. Shu trapetsiyaning o’rta chizig’ini toping.
Javob:______________________________
14.Trapetsiyaning o’rta chizig’I 9 sm ga, kichik asosi esa 5 sm ga teng. Shu trapetsiyaning katta asosini toping.
Javob:______________________________
15.Tenglamani yeching:  
Javob:_____________________________


8-sinf Matematika IIchorak II-variant
1.Hisoblang: (-55):(-11)*(-3)
A)17 B)15 C)-15 D)18
2.Rombning dioganallari bilan tomonlari orasida hosil bo’lgan burchaklarning
nisbati 2:7kabi rombning burchaklarini toping.
A)400;1400 B)200;1200 C)600;800 D)900;700
3.Otasi qizidan 26 yosh katta,4yildan keyin u qizidan 3 marta katta bo’ladi. Otasi necha yoshda, qizi necha yoshda?
A)Otasi 35 yosh,qizi 9 yosh B)Otasi 27 yosh,qizi 8 yosh C)Otasi 35 yosh,qizi 11 yosh D)Otasi 30 yosh,qizi 9 yosh
4.Tasdiqni tengsizlik ko’rinishida yozing.X va 17 sonlarning yig’indisini 18 dan katta.
A)x-18>17 B)x+18>17 C)x>17 D)x+17>18
5.Hisoblang: (0,4)*(-5):2. A)1 B)-1 C)2 D)3


6.T engsizliklar sistemasini yeching; 5x+2>3x-1
3x+1>7x-4


A)-2/3
7.Ifodaning qiymatini toping.ab3c2,bunda a=-2, b=-1, c=-3;
A)81 B) 18 C)-18 D)24
8.3kg olma va 2kg anor birgalikda 950 so’m turadi. 5kg olmaning puliga 3kg anor olish mumkin. 1kg olma va 1kg anor necha puldan sotiladi.
A)x=150,y=250; B) x=130,y=100; C) x=250,y=100; D)x=100,y=150;

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