Title: Tehted algebraliste murdudega/ÜLESANDED (3)

Ilma pealkirjata Question Set

Credits: licence CC BY-SA 4.0

Tehted algebraliste murdudega

Test 3

Korruta.

Q: $$\dfrac{x^2-y^2}{b-a}\cdot \dfrac{a^2-b^2}{x-y}=-\left(x+T\right)\left(b-R\right)$$

$$T=$$[...]

$$R=$$[...]
A: y; -a

Jaga.

Q: $$\dfrac{u^2+20-9u}{u-5}:\dfrac{4-u}{3}=$$[...]
A: -3

Liida.

Q: $$\dfrac{18+2n^2}{n^2+9+3n}+\dfrac{n^2}{n-3}+\dfrac{3n\left(n^2+n+15\right)}{27-n^3}=n+2A$$

$$A=$$[...]
A: 1

Soorita tehe.

Q: $$\dfrac{x^2-x-6}{x^2-4\:}-2-\dfrac{x-1}{2-x}=$$[...]
A: 0

Liida.

Q: $$\dfrac{x\left(z-y\right)}{\left(x+y\right)^2-z^2}+\dfrac{x}{x+y-z}=\dfrac{x^2+Az}{\left(x+y\right)^2-z^2}$$

$$A=$$[...]
A: 2x

Liida.

Q: $$\dfrac{2a^2+3ab-9b^2}{4a^2-9b^2}+\dfrac{a}{3b+2a}=$$[...]
A: 1

Lahuta.

Q: $$\dfrac{m^2+2m-mx-2x}{m^2+3m-3x-mx}-\dfrac{m+2}{m+3}=$$[...]
A: 0

Jaga.

Q: $$\dfrac{c^2+4c+4}{2-c}:\dfrac{c^2+c-2}{c^2-4c+4}=-\dfrac{c^2-2A}{B}$$

$$A=$$[...]

$$B=$$[...]
A: 2; c-1