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Výrazy 1

Authored by Hana Hedbávná

Mathematics

8th Grade

Used 33+ times

Výrazy 1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Vyber jednočlen

a23a^2-3

3a2-3a^2

3a23-a^2

3a2+13a^2+1

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Urči hodnotu výrazu pro a=0

 5(a1)5\left(a-1\right)  

5

-5

0

4

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Vyber číslo dvakrát větší než rozdíl čísel x a y.

2.(xy)2.\left(x-y\right)

(yx).2\left(y-x\right).2

2.(xy)2.\left(\frac{x}{y}\right)

(xy)+2\left(x-y\right)+2

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Vyber dvojčlen

(ab+b).2\left(ab+b\right).2

ab+b.2ab+b.2

ab+b+2ab+b+2

a(b+2b)a\left(b+2b\right)

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Urči hodnotu výrazu pro b=10

 b53\frac{b}{5}-3  

-1

1

2

1,5

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Vyber správný zápis: druhá mocnina rozdílu čísel m a n

m2n2m^2-n^2

n2m2n^2-m^2

(mn)2\left(m-n\right)^2

(nm)2\left(n-m\right)^2

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Vyber dvojnásobek čísla f zmenšený o g.

2fg2f-g

2f:g2f:g

2(fg)2\left(f-g\right)

2fg\frac{2f}{g}

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