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

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

4

#1 3/24 #2 1 #3 15/24#4 5/8#5 1/8

5

ni hisoblang
2. 5,912:16 ni hisoblang. #1 0,3695#2 3,695#3 36,95#4 0,03695#5 0,3965

3. 0,7 kg konfet uchun 175 so'm to'landi, 0,8 kg konfet uchun qancha tolanishi kerak? #1 122,50#2 140#3 250#4 200#5 150

4. (3,6:0,25):0,9 ni hisoblang. #1 14,4#2 16#3 16,4#4 14#5 14,6

5. ³ x+0,4=0,6 tenglamani yeching. #1 0,008#2 0,4#3 2,5#4 0,8#5 0,08

1,2

6. 
   Sonli ifodada ko’rsatilgan amallarni bajarish natijasida hosil bo’lgan son
   

#1 Tenglamaning ildizi #2 Algebraik ifodaning son qiymati #3 Sonli ifodaning qiymati #4 Yig’indi #5 Ayirma

6. 
   a=12,5, h=6,4 bo’lsa, s= ifodaning son qiymatini toping. #1 40 #2 400 #3 4 #4 36,1 #5 37,1
   
7. 
   a=2,5, b=2,4 va c=3,5 bo’lsa, V=abc ifodaning son qiymatini toping. #1 18,3 #2 21 #3 2,1 #4 12,1 #5 121
   
8. 
   Ifodaning son qiymatini toping: (6,4*7,02+17,9*14,04):4
   

#1 169 #2 16,9 #3 159 #4 71,318 #5 149

6. 
   To’g’ri to’rtburchakning perimetri p ga, asosi a ga teng. Uning balandligini hisoblash uchun ifoda tuzing. #1 0,5*(p-a) #2 p-a #3 #4 p-2a #5
   
7. 
   Tenglama 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. 
   ^{tenglamaning ildizi x}0 ^{bo’lsa, +1 ifodaning son qiymatini toping.} #1 50 #2 10 #3 5 #4 37 #5 26
   
7. 
   ^{0,8*(1,5x-2)-0,4x=0,3*(6x-5)-2,6 tenglamaning ildizi x}0 ^{bo’lsa, -0,5x}0 ^{ifodaning son qiymatini toping.} #1 -6,25 #2 1,25 #3 6,25 #4 -5 #5 5
   
8. 
   Birinchi to’pda 75 m, ikkinchi to’pda 120 m atlas bor edi. Ikkinchi to’pdan birinchidan sotilganiga qaraganda 3 marta ko’p atlas sotildi. Natijada birinchi to’pda ikkinchisiga qaraganda 2 marta ko’p atlas qoldi. Har bir to’pdan necha metrdan atlas sotilgan?
   

#1 24 m; 72 m #2 30 m;90 m #3 15m; 45 m #4 33 m;99 m #5 22 m; 66 m

6. 
   Tenglamani yeching. #1 2 #2 4 #3 #4 - #5 Yechimga ega emas 16. Tenglamani yeching. (3x-1)(2x-1)-6(x+1)(x-2)=5 #1 8 #2 -8 #3 2 #4 -1 #5
   

17. 
    Tenglamani yeching. #1 4 #2 8 #3 2 #4 -2 #5 TJY
    
18. 
    Tenglamani yeching. #1 4 #2 5 #3 6 #4 7 #5 TJY
    
19. 
    Tenglamani yeching. 110-x+
    
20. 
    Tenglamani yeching.245-x=45
    
21. 
    To’g’ri to’rtburchakning qo’shni tomonlari ayirmasi 8 ga, perimetri esa 36 ga teng. Uning katta tomonini toping.
    
22. 
    Ikkita omborda 120 t kartoshka bor. Birinchi ombordagi kartoshkaning 20 % I ikkinchi ombordagi kartoshkaning 10 % idan 3 t ko’p. Harbir omborda necha tonnadan kartoshka bor?
    
23. 
    Kichigi n bo’lgan ikkita ketma-ket natural sonning yig’indisini yozing.
    
24. 
    Kichigi 2k bo’lgan uchta ketma-ket juft natural sonlar yig’indisini yozing.
    
25. 
    5:4-4:5 ni hisoblang.