Variant 1-Fan kimyo 1-savol


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9 вариант Нефт ва газни қайта ишлаш бўйича 9 вариант

15-savol
15. Toza moddani toping.
A) ohakli suv B) vodoprovod suv
C) distillangan suv D) xlorli suv

2-Fan matematika


16-savol
a ning qanday qiymatida y=( +3) funksiya va y=a funksiya grafiklari 3 ta nuqtada kesishadi.
A) a=1 B) a=2 C) a=3 D) a=4


17-savol
ni toping. Bu yerda – sonining butun qismi esa – soning kasr qismi.
A) B) 2 C) 0 D) 1
18-savol
= ifodaning qiymatini toping.
A) 5 B) 3 C) 6 D) 7
19-savol
2x=y2+1 tenglamaning barcha butun yechimlarining yig‘indisini toping.
A) 2 B) -2 C) 0 D) 1
20-savol
Ifodani soddalashtiring
A) 1 B) 0 C) cosx D) sinx
21-savol
Hisoblang: log42,6-log2 .
A) 0,5 B) 1 C) 2 D) 2,5
22-savol
ƒ(x)= bo‘lsa, ˈ(1) ning qiymatini toping.
A) B) C) D) e
23-savol
Hisoblang: (3 +5 )∙(8 ).
A) 1 B) 24 C) 102+9 D) 102-9
24-savol
Tog‘ri cho‘qqisiga 6 ta yo‘l olib boradi. Brogan yo‘lidan qaytmaslik sharti bilan tog‘ning cho‘qqisiga jami necha xil usulda borib kelish munkin?
A) 15 B) 30 C) 21 D) 42
25-savol
tenglamani yeching.
A) - B) - C) - D) -


3-Fan ingliz tili
26-savol
Choose the correct answer. Previous term I had to work so . . . that even now I feel . . . .
A) hardly/tiring B) hard/tiring C) hardly/tired D) hard/tired
27-savol
Choose the correct answer. They . . . in the river at present.
A) are not swimming B) did not swim
C) was not swimming D) were not swimming


28-savol
Choose the correct answer. By the end of the year they . . . English for 2 years.
A) will learn B) will be learning
C) will have been learning D) are learning


29-savol
Choose the correct answer. Hurry up! I don’t want to risk . . . the train.
A) to miss B) to missing C) missing D) miss


30-savol
Choose the correct answer. We have enough milk in the fridge so we . . . buy any more.
A) should B) needn’t C) can’t D) must

_______________________________ ________________ _______________
F.I.SH Sana Imzo

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