Krácení lomených výrazů II.

Krácení lomených výrazů II.

2nd Grade

15 Qs

quiz-placeholder

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Krácení lomených výrazů II.

Krácení lomených výrazů II.

Assessment

Quiz

Mathematics

2nd Grade

Medium

Created by

Magda Hamplova

Used 36+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kraťte lomené výrazy:

 4x+83x+6\frac{4x+8}{3x+6}  =

x+2

 x+23\frac{x+2}{3}  

 43\frac{4}{3}  

 x+8x+6\frac{x+8}{x+6}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kraťte lomené výrazy:

 48u3vx24uv2=\frac{48u^3vx}{24uv^2}=  =

 2u2xv\frac{2u^2x}{v}  

 2u2uv\frac{2u^2}{uv}  

 u3xu\frac{u^3x}{u}  

 2u2x2u^2x  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kraťte lomené výrazy:

 x225x+5\frac{x^2-25}{x+5}  =

 x+5x+5  

 1x+5\frac{1}{x+5}  

 x5x-5  

 11  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kraťte lomené výrazy:

 pxqxpx+qx\frac{px-qx}{px+qx}  =

 pqp-q  

 p+qp+q  

 p+qpq\frac{p+q}{p-q}  

 pqp+q\frac{p-q}{p+q}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kraťte lomené výrazy:

 27a2b51b3c=\frac{27a^2b}{-51b^3c}=  =

 9a17b\frac{-9a}{17b}  

 9a217b2c-\frac{9a^2}{17b^2c}  

 9a217c\frac{9a^2}{17c}  

 917b2c-\frac{9}{17b^2c}  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kraťte lomené výrazy:

 r293+r\frac{r^2-9}{3+r}  =

 r+3r+3  

 r3r-3  

 r33+r\frac{r-3}{3+r}  

 r+33+r\frac{r+3}{3+r}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kraťte lomené výrazy:

 10x2y(y+1)15(xy+x)\frac{10x^2y\left(y+1\right)}{15\left(xy+x\right)}  =

 2xy3\frac{2xy}{3}  

 2x2y3\frac{2x^2y}{3}  

 5x15xy\frac{5x}{15xy}  

 2y3\frac{2y}{3}  

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