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korrutamise abivalemid

Authored by Annaliisa Asula

Mathematics

8th Grade

Used 24+ times

korrutamise abivalemid
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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(4m+3n)2

8m2+24mn+6n2
16m2+12mn+9n2
16m2+24mn+9n2
16m2-24mn+9n2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

m2 - 4n2

(m+2n)(m+2n)
(m-4n)(m-4n)
(m+2n)(m-2n)
(2n-m)(2n+m)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kirjuta matemaatilise avaldisena:
Arvude x ja y ruutude vahe

x2-y2
(x-y)2
y2-x2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kirjuta matemaatilise avaldisena:
Arvude a ja b summa kuup

(a3+b3)
a3+b3
(a+b)3
a+b3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(7x-2)(7x+2)

49x2-4
14x2-4
49x2+4
49x2-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Korruta:
(5x-4)(3-2x)

15x2-10x-12+8x
15x-10x2+12+8x
15x-10x2+12-8x
15x-10x2-12+8x

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a2-b2

(a+b)(a+b)
(a-b)(a-b)
(a-b)2
(a+b)(a-b)

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