Algebra vii-sinf. I-chorak test. A-variant

Algebra VII-sinf.I-chorak test.A-variant

1. 
   Quyidagi sonlar ichida eng kichigini toping.
   

#1 0,0050513#2 0,0505#3 0,00550#4 0,055#5 0,55

2. 
   Quyidagi sonlardan qaysinisi 2 sonidan uzoqroq joylashgan? #1 5,12#2 6,21#3 6,31#4 4,31#5 5,61
   
3. 
   Yuzi 1ga, eni 1m bo'lgan yo'lakning uzunligi necha metr? #1 1000 m#2 10000 m#3 100 m#4 100000 m#5 10 m
   
4. 
   75kg ni tonnada ifodalang.
   

#1 0,057t#2 0,0075t#3 7,5t#4 0,075t#5 0,75t

5. 
   Sonli ifoda deb qanday ifodaga aytiladi?
   

#1 Sonlardan tuzilib amal ishoralari bilan birlashtirilgan yozuv.#2 Sonlar va harflardan tuzilib amal ishoralari bilan birlashtirilgan ifoda.#3 Tenglik belgisi bilan birlashtirilgan ifoda.#4 Noma’lum qatnashgan tenglik.#5 Hammasi to’g’ri

6. Hisoblang: 6-(5,2-3 ) #1 6,8 #2 7,8 #3 9,8 #4 4,8 #5 9,6

7. 
   To’g’ri to’rtburchakning yuzi S ga, asosi a ga teng. Uning perimetrini topish uchun ifoda tuzing. #1 #2 #3 2( #4 #5
   
8. 
   Qavslarni oching va soddalshtiring. 5a+(3a-(4a+3)) #1 8a+3 #2 4a-3 #3 -4a-3 #4 3-4a #5 4a+3
   
9. 
   Ifodaning son qiymatini toping: (35,7*12,24-21,4*6,12):1
   

#1 578 #2 306 #3 162 #4 16,2 #5 -16,2

7. 
   Ifodani soddalshtiring va uning a=2,7, b=4,2 bo’lgandagi son qiymatini toping: 3(2a-b)-2(a-2b) #1 24,36 #2 27,6 #33 8,7 #4 15 #5 14
   
8. 
   ax=b , a va b berilgan sonlar. X-noma’lum son. Qanday tenglama?
   

#1 Chiziqli tenglama #2 Kvadrat tenglama #3 Chiziqli bo’lmagan tenglama #4 Oddiy tenglama #5 Murakkab tenglama

7. 
   ^{(x+3):(x-2)=5:3 tenglamaning ildizi x}0 ^bo’lsa,2x0^{+61 ifodaning son qiymatini toping.} #1 -80 #2 70 #3 80 #4 81 #5 90
   
8. 
   Teng yonli uchburchakning perimetri 51 sm ga teng. Asos yon tomonidan 6 sm uzun. Shu uchburchak yon tomonining asosiga nisbatini toping.
   

#1 1,4 #2 #3 #4 #5 0,7

14. Tenglamani yeching. 8(x+2)-5x=-2(x+4,5) #1 -5 #2 5 #3 6 #4 -4,5 #5 TJY 15. Tenglamani yeching. 6*(2,3x-1)-3,5x+0,7x=0,5(x-14)

#1 -10,5 #2 10,5 #3 #4 7 #5 -

16. Tenglamani yeching. 7	#1 -1 #2 - #3	#4	#5 -2
17. Tenglamani yeching. 10:8=4:x #1 3,2 #2 4 #3 6 #4 8 #5 TJY
18. Tenglamani yeching.	#1 3 #2 8 #3 6 #4			#5 TJY
19. Tenglamani yeching. 90-x+
Tenglamani yeching. X-39=45 Ildizi 4 bo’lgan tenglamani belgilang.

22. 
    Teng yonli uchburchakning perimetri 40 sm gat eng. Yon tomoni asosining qismini tashkil etadi. Shu uchburchakning tomonlari uzunliklarini toping.
    
23. 
    Teng yonli uchburchakning perimetri 40 sm gat eng. Yon tomoni asosining qismini tashkil etadi. Shu uchburchak yon tomoni uzunligini toping.
    
24. 
    Ketma-ket kelgan ikkita juft sonlar ko’paytmasini yozing. a) 2n*(2n+2) b) 2n*(n+1) c) (n+2)(n-2)
    

d) 2n*4n

22. 
    a=5, b=6,4, c=4,5 bo’lsa, S=(ab+ac+bc) ifodaning son qiymatini toping.