Quiz about Matematika test

Question 1

Question 1.

Accepted Answer

x

Answer

2x

Answer

x+1

Answer

x+2

Question 2

Question 2.

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

1

Question 3

a-b=12 -ab+ $$a^2$$ =144 bo'lsa aning qiymatini toping

Accepted Answer

12

Answer

-12

Answer

36

Answer

15

Question 4

$$\frac{1}{15}+\frac{1}{35}+\frac{1}{63}+\frac{1}{99}\ \ \ \ \ \ +\frac{1}{255}\ ni\ hisoblang.$$

Accepted Answer

$$\frac{7}{51}$$

Answer

5 $$\frac{6}{7}$$

Answer

$$\frac{2}{25}$$

Answer

$$\frac{3}{35}$$

Question 5

x=4.5 y=3.5 bo'lsa $$x^3-x^2y-xy^2+y^3\ ni\ toping$$

Accepted Answer

8

Answer

10

Answer

6

Answer

9.5

Question 6

Question 6.

Accepted Answer

$$\frac{1}{x+y}$$

Answer

$$\frac{1}{x-y}$$

Answer

x-y

Answer

x+y

Question 7

$$x^3-3x^2+3x-1\ \ \ va\ \ \ x^2-x\ ni\ EKUB\ ini\ toping$$

Accepted Answer

x-1

Answer

2x-1

Answer

x+1

Answer

1

Question 8

ab , bc,ca ikki xonali sonlarning yig'indisi quyidagilarning qaysi biriga doim qoldiqsiz bo'linadi

Accepted Answer

11

Answer

6

Answer

3

Answer

10

Question 9

$$\frac{6n-12}{n}\ n\ ning\ nechta\ natural\ qiymatida\ natural\ son\ bo$$

Accepted Answer

4

Answer

5

Answer

6

Answer

3

Question 10

Question 10.

Accepted Answer

2

Answer

4

Answer

3

Answer

1

Question 11

Question 11.

Accepted Answer

2.4

Answer

24

Answer

23

Answer

2.5

Question 12

$$4x^4+5x^2+6x+11\ \ \ \ ni\ \ \ \ \ \ \ \ \ x^2+5x-4\ ga\ bo$$

Accepted Answer

-679x+495

Answer

679x+495

Answer

533x-473

Answer

4

Question 13

$$\frac{3}{5}+\frac{7}{15}+\frac{21}{25}=a\ \ \ \ \ \ \ \ \frac{2}{5}+\frac{8}{15}+\frac{4}{25}$$ quyidagilarni qaysi biriga teng b o'ladi

Accepted Answer

3-a

Answer

4-a

Answer

5-a

Answer

a-3

Question 14

Ushbu ifodalar dan qaysi bir 15.84714 ga teng?

Accepted Answer

15847.14* $$10^{-3}$$

Answer

158471.4* $$10^{-3}$$

Answer

158.4714* $$10^{-3}$$

Answer

15.84714* $$10^{-3}$$

Question 15

$$-n^4+18n^2+88$$ eng katta qiymatini toping

Accepted Answer

-169

Answer

10

Answer

169

Answer

12

Question 16

$$\left(\frac{b}{a}+\frac{a}{b}-2\right)\div\left(b^{-1}-a^{-1}\right)\ amallarni\ bajaring$$

Accepted Answer

a-b

Answer

$$\frac{1}{a+b}$$

Answer

$$\frac{1}{a-b}$$

Answer

$$\frac{1}{2\left(a-b\right)}$$

Question 17

$$\frac{a^3+b^3}{a^2-ab+b^2}\cdot\left(a-b\right)\cdot\frac{a^3-b^3}{a^2+ab+b^2}\left(a+b\right)$$ ifodaning a=3 b=2 bo'lgandagi qiymatini toping

Accepted Answer

25

Answer

24

Answer

30

Answer

32

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