Qismi 30 ga teng bo’lgan sonlarning yig’indisini toping. A 140 b 100 c 155 d 150

A) _ B) _ C) _ D) _

23._ ifodani soddalashtiring.

A) _ B)_ C)_ D) _
24. Tenglamalar sistemasini yeching. _

A) _ B) _

C) _ D) _

25._ ning qanday eng kata butun qiymatida _ tengsizlik _ ning barcha qiymatlarida o’rinli bo’ladi?