Free Printable Eski savollardan (3-A)

1.

Kasrlarni kamayib borish tartibida joylashtiring.

$a=0.6\ ;\ b=\frac{1}{4}\ \ ;\ c=\frac{1}{2}$

a)

c>a>b

b)

a>c>b

c)

b>c>a

d)

b>a>c

2.

Hisoblang.

$3-\frac{2}{5}:\frac{2}{3}-1$

a)

$1\frac{2}{5}$

b)

$1\frac{4}{5}$

c)

$0.6$

d)

$\frac{8}{5}$

3.

$\frac{1}{12},\ \frac{7}{18}\ va\ \frac{5}{24}$ kasrlarning eng kichik umumiy maxraji nimaga teng.

(a)

4.

100 ning natural bo'luvchilari sonini toping.

a)

6

b)

9

c)

4

d)

8

5.

Turli raqamli to'rt xonali 53a4 soni 3 ga bo'linadi, a ning nechta qiymati mavjud?

a)

2

b)

3

c)

4

d)

5

6.

$13-3x+3\left(4-x\ \right)+9x=88$ tenglamani yeching.

a)

21

b)

33

c)

41

d)

53

7.

Alida 12800 so'm, Valida esa undan 4200 so'm kam pul bor. Ali Valiga necha so'm bersa , ulardagi pul miqdori teng bo'ladi?

a)

5000

b)

4200

c)

4000

d)

2100

8.

$\left(a-2b\right)^2-\left(a+2b\right)^2$ ifodani soddalashtiring.

a)

$8ab$

b)

$-8ab$

c)

$2a^{2\ }+8b^{2\ }$

d)

$2a^{2\ }-8b^{2\ }$

9.

$\frac{a^{2\ }-49}{a^2+2ab+b^2}\cdot\frac{a+b}{a-7}$ kasrli ifodani soddalashtiring.

a)

$\frac{a-7}{a-b}$

b)

$\frac{7+a}{b-a}$

c)

$\frac{a+7}{a+b}$

d)

$\frac{a+7}{a-b}$

10.

Amallarni bajaring. $\frac{2}{2a+3}+\frac{3}{3-2a}+\frac{2a+15}{4a^2-9}$

a)

1

b)

0

c)

0.5

d)

2

11.

Soddalashtiring: $\left(2x+1\right)^2\cdot\left(2x-1\right)^2$

a)

$16x^4-8x^2+1$

b)

$16x^4+8x^2-1$

c)

$4x^4-4x^2+1$

d)

$4x^4+4x^2+1$

12.

Hisoblang. $\frac{2^{23}+2^{23}+2^{23}+2^{23}+2^{23}+2^{23}}{16^6+16^6+16^6}$

a)

1/2

b)

1

c)

2

d)

4

13.

$\left(-x^3\right)^4\cdot\left(x^2\right)^3:\left(-x^5\right)^3$ ifodaning $x=-2$ dagi qiymatini toping.

a)

8

b)

-8

c)

4

d)

-4

14.

Hisoblang: $\frac{2^5\cdot11^8}{22^{10}}\cdot\frac{34^4\cdot2057}{17^5}$

a)

$\frac{1}{2}$

b)

$\frac{2}{287}$

c)

$\frac{1}{34}$

d)

2

15.

EKUK(30; 54; 90)=?

a)

180

b)

210

c)

270

d)

900

16.

Tenglamani yeching. $\left(3.2y-1.8\right)-\left(5.2y+3.4\right)=-5.8$

a)

0.3

b)

-0.3

c)

$\frac{2}{3}$

d)

5.5

17.

Tenglamani yeching. $3y+\left(y-2\right)=2\left(2y-1\right)$

a)

4

b)

Yechimi yo'q

c)

0

d)

Cheksiz ko'p

18.

Tenglamani yeching. $\frac{12-x}{4}-\frac{2-x}{3}=\frac{x}{6}$

a)

28

b)

14

c)

18

d)

0

19.

Hisoblang. $1-\frac{1001}{2003}$

a)

$\frac{1002}{2003}$

b)

$\frac{1003}{2003}$

c)

$\frac{1000}{2003}$

d)

$\frac{2003}{1002}$

20.

Hisoblang. $\left(1997\ \frac{3}{5}-1996\ \frac{1}{6}\right)\cdot1\ \frac{1}{29}$

a)

$\frac{13}{29}$

b)

$2\ \frac{1}{29}$

c)

$1\ \frac{13}{29}$

d)

$1\ \frac{14}{29}$

Eski savollardan (3-A)

Total questions: 20

Worksheet time: 10mins

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