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

1.25 ning 20% i hamda _ qismi 30 ga teng bo’lgan sonlarning yig’indisini toping.

A) 140 B) 100 C) 155 D) 150

2.Agar 0

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

3.Agar _ bo’lsa ushbu _ tenglamani yechish. (_)

A) 4.3 B) 6.2 C) 1 D) 9.7

4._ tenglamani yeching.

A) 2 B) 0,(8) C) 0.5 D) 1

5.Agar a-5b, a+b, 3a+b, a+b lar proporsiyaning ketma ket hadlari bo’lsa, _ ni toping.

A) 2 B) 0 C) _ D) -1

6._ tengsizlikning eng kata butun manfiy yechimini toping.

A) -3 B) _ C) -2 D) -1

7.Agar _ va _ bo’lsa _ ni _ va _ orqali ifodalang.