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Tehted hulkliikmetega

Authored by Krista Kõiv

Mathematics

8th Grade

Used 48+ times

Tehted hulkliikmetega
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Millega võrdub hulkliikmete (x+y) ja (x-y) korrutis

x2+y2

x2-2xy+y2

x2-y2

x2+2xy+y2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Avalda hulkliikmena kujundi ümbermõõt

seda ei saa arvutada

xy+z

x+y+z

2x+2y+2z

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Millega tuleks jagada hulkliige 3x+5y+z, et tulemus oleks 0?

3x+5y+z

0

sellist hulkliiget pole olemas

-3x-5y-z

suvalise hulkliikmega

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hulkliikmete x+y-z ja x-y+z vahe on

2x+2y+2z

0

2x

2y-2z

2y+2z

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Liidetakse kokku kolm järjestikust täisarvu. Neist esimene on 2n. Leia nende täisarvude summa

Mina küll ei tea

Seda ei saa arvutada

6n+6

12

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Arvuta hulkliikme 3x3+2x2-3x-2 väärtus, kui x=1

2

-1

0

1

-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Leia korrutis (-2x2y+5xy2+3x-4y)(-0,5xy)

x3y2-2,5x2y3-1,5x2y+2y2

-x3y2-2,5x2y3-1,5x2y+2xy2

x2y2-2,5x2y3-1,5x2y+2xy2

x3y2-2,5x2y3-1,5x2y+2xy2

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