8-sinf yozma ish ( I variant )

8-sinf yozma ish ( I variant )
1. Agar (x;y) sonlar juftligi sistemaning yechimi bo’lsa, xy ni toping.
2. Amallarni bajaring:
3. Agar bo’lsa, kasrning qiymatini toping.
4. tenglamaning ildizi bo`lsa
5. tenglamani yeching
6. Ko’paytuvchilarga ajrating:
7. Agar
8. Agar funksiyaning grafigi M(2; –8) nuqta orqali o’tsa, k koeffitsiyentning qiymatini toping.
9.
10. Keltirilgan kartoshkaning 40%i sotildi , so`ng qolganing 30%i sotildi. Kartoshkaning necha %i qoldi?


8-sinf yozma ish ( I variant )
1. Agar (x;y) sonlar juftligi sistemaning yechimi bo’lsa, xy ni toping.
2. Amallarni bajaring:
3. Agar bo’lsa, kasrning qiymatini toping.
4. tenglamaning ildizi bo`lsa
5. tenglamani yeching
6. Ko’paytuvchilarga ajrating:
7. Agar
8. Agar funksiyaning grafigi M(2; –8) nuqta orqali o’tsa, k koeffitsiyentning qiymatini toping.
9.
10. Keltirilgan kartoshkaning 40%i sotildi , so`ng qolganing 30%i sotildi. Kartoshkaning necha %i qoldi?