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Daļu vienkāršošana 2

Authored by Larisa Voropajeva

Mathematics

9th - 10th Grade

Used 6+ times

Daļu vienkāršošana 2
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8 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Saīsināt daļu:

 x2+2xy+y236x+y+6\frac{x^2+2xy+y^2-36}{x+y+6}  

 x+y6x+y-6  

 6xyx2+y2\frac{6xy}{x^2+y^2}  

 xy36x-y-36  

 x+2xyy26\frac{x+2xy}{y^2-6}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Saīsināt daļu:

 a4+a3+a+1a2+2a+1\frac{a^4+a^3+a+1}{a^2+2a+1}  

 a2a+1a^2-a+1  

 a2+a+1a^2+a+1  

 a2a1a^2-a-1  

 2(a3+1)(a+1)2\frac{2\left(a^3+1\right)}{\left(a+1\right)^2}  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Saīsināt daļu:

 x32x23xx36x2+9x\frac{x^3-2x^2-3x}{x^3-6x^2+9x}  

 x+1x3\frac{x+1}{x-3}  

 x2(x+3)2\frac{x^2}{\left(x+3\right)^2}  

 x+3x3\frac{x+3}{x-3}  

 12x2\frac{1}{2x^2}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Vienkāršot izteiksmi:

 x210x+25x5+x2+8x+16x+4\frac{x^2-10x+25}{x-5}+\frac{x^2+8x+16}{x+4}  

 2x12x-1  

 2x+12x+1  

 x+4x5\frac{x+4}{x-5}  

 x4x+5\frac{x-4}{x+5}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Vienkāršot izteiksmi:

 (x2)29m2:x23m23+m\frac{\left(x-2\right)^2}{9-m^2}:\frac{x-2}{3-m}-\frac{2}{3+m}  

 x43+m\frac{x-4}{3+m}  

 x3+m\frac{x}{3+m}  

 x2(3m)2\frac{x-2}{\left(3-m\right)^2}  

 x23m\frac{x-2}{3-m}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Vienkāršot izteiksmi:

 m21616(m4m+4m+4m4)\frac{m^2-16}{16}\cdot\left(\frac{m-4}{m+4}-\frac{m+4}{m-4}\right)  

 m-m  

 16m-16m  

 mm  

 16m16m  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Vienkāršot:

 (m+111m)1m2m2\left(m+1-\frac{1}{1-m}\right)\cdot\frac{1-m^2}{m^2}  

 3m2\frac{3}{m^2}  

 1m-1-m  

 1+m1+m  

 m1m-1  

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