Ifodaning qiymatini toping: Tenglamani yeching: 13x= 7

7 1-variant

1. 
   Ifodaning qiymatini toping:
   
2. 
   Tenglamani yeching: 213x= 5.3+8.7
   
3. 
   Birhadni standart shaklga keltiring: 16a3b2
   
4. 
   Hisoblang:
   
5. 
   Hisoblang:
   

7 2-variant

1. 
   Ifodaning qiymatini toping:
   
2. 
   Tenglamani yeching: 142x= 3.8+7.2
   
3. 
   Birhadni standart shaklga keltiring: 15a5b2c
   
4. 
   Hisoblang:
   
5. 
   Hisoblang:
   

1. 
   Teng yonli uchburchakning perimetri 24 sm teng. Agar uchburchak asosining uzunligi 6 sm bo’lsa, yon tomoni uzunligi necha sm?
   
2. 
   Teng tomonli uchburchakning perimetri 21 sm teng bo’lsa, uning asosi uzunligi necha santimetrga teng?
   
3. 
   Qo’shni bo’lgan burchaklarning biri ikkinchisidan 40 ga katta. Shu burchaklarni toping?
   
4. 
   Ikki tug’ri chiziq kesishishidan hosil bo’lgan burchaklarning bir biriga qo’shni bo’lmagan ikkitasining yig’indisi 140 ga teng. Qolgan ikki burchakni toping?
   
5.