1 Avtomobil 70 km/soat tezlik bilan 3 soat,80 km/soat tezlik bilan 2 soat yurgan bo’lsa o’rtacha tezligini toping


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1)Avtomobil 70 km/soat tezlik bilan 3 soat,80 km/soat tezlik bilan 2 soat yurgan bo’lsa o’rtacha tezligini toping.

185 km/soat B) 30 km/soat C) 74 km/soat D) 75 km/soat

2) Bir sutkaning qismini toping

A) 16 B) 36 C) 4 D) 10

3) Proporsiyaning no’malum hadini toping: 18:x=6:3

A) 1 B) 9 C) 36 D) 6

4) Hisoblang: 24∙

A) 26 B) 25 C) 27 D) 24

5) Masofani topish formulasini toping:

A) V=S:t B )t=S:V C ) S=Vt D) S=V:t

6) Algebraik ifodaning qiymatini toping:

A) 0,2 B) -0,2 C) 10,2 D) 1

7) Tenglamani yeching: 4x+2=x+11

A) 2,6 B) 1,8 C) -3 D) 3

8) Tenglamani yeching:

A) 1,1 B) 1 C) 11 D) 12

9) Yig’indisi 81 ga teng bo’lgan uchta ketma-ket toq sonni toping

A)25,26,27 B)11,12,13 C) 25,27,29 D)11,13,15

10) Hisoblang:

A) 3 B) 2 C) 9 D) 6

11) Hisoblang:

A) 4 B) 2 C) 8 D) 16

12) Birhadni standart ko’rinishida yozing: 52pq2(-4)pq

A) 40pq B) 100p3q3 C)-100p3q3 D)-40pq

13) Birhadlarni ko’paytiring: (5a)∙(a2b2)∙(-2b)∙(-3a)

14) Ko’phadni standart shaklda yozing: 2ab24ab-3a28aba-2abab2

15) O’xshash hadlarni ixchamlang:5xy-3,5y2-2xy+1,3y2-xy
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