Algebraik kasrlarni ko'paytirish va bo'lish — 7-sinf Algebra test savollari

1.$\frac{x^2-4}{x+1}\cdot \frac{x+1}{x-2}$ ko'paytmani toping.

• A)-x - 2
• B)x + 2
• C)x + 4
• D)$x+2^2$

2.$\frac{x^2-9}{2x}:\frac{x+3}{4x}$ ni hisoblang.

• A)2(x - 3) + 2
• B)$2(x-3{)}^2$
• C)2(x - 3)
• D)-2(x - 3)

3.$\frac{a^2-b^2}{a}\cdot \frac{a}{a+b}$ ko'paytmani toping.

• A)-a + b
• B)a - b
• C)a - b + 2
• D)$a-b^2$

4.$\frac{x^2-1}{x^2}:\frac{x+1}{x}$ ni hisoblang.

• A)x/x
• B)$\frac{1-x}{x}$
• C)$\frac{x-1}{x}$
• D)$\frac{x-1}{x+1}$

5.$\frac{2x}{x-3}\cdot \frac{x-3}{4}$ ko'paytmani toping.

• A)$\frac{x}{2}$
• B)$\frac{x}{3}$
• C)$-\frac{x}{2}$
• D)$\frac{x+1}{2}$

6.(x)/$\left(y\right)\cdot \frac{y}{x^2}$ ko'paytmani toping.

• A)$-\frac{1}{x}$
• B)$\frac{2}{x}$
• C)$\frac{1}{x+1}$
• D)$\frac{1}{x}$

7.$\frac{a}{3}:\frac{a}{6}$ ni hisoblang.

• A)-2
• B)$2^2$
• C)4
• D)2

8.$\frac{2x}{5}\cdot \frac{5}{x}$ ko'paytmani toping.

• A)2
• B)4
• C)$2^2$
• D)-2

9.$\frac{x^2}{2}:x$ ni hisoblang.

• A)$\frac{x+1}{2}$
• B)$\frac{x}{3}$
• C)$\frac{x}{2}$
• D)$-\frac{x}{2}$

10.(a)/(b) · (b)/(a) ko'paytmani toping.

• A)1
• B)3
• C)-1
• D)2