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Kordamine 9klass

Authored by Allar M

Mathematics

9th Grade

Used 13+ times

Kordamine 9klass
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13 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Tegurda 3x2 + 6x

x(3x + 6)

3x2(1 + 6x)

3x(x + 6)

3x(x + 2)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tegurda 16a2- 4b2

(4a-4b)(4a+4b)

4(4a2-b2)

(4a-2b)(4a+2b)

(8a-2b)(8a+2b)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tegurda 1-10m+25m2

(1-5m)2

(1+5m)2

(5m-1)2

(5m+1)2

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Ava sulud (2m + 3n )(2m - 3n)

4m2 - 12mn + 9n2

2m2 - 3n2

4m2 - 6mn + 6mn - 9n2

4m2 - 9n2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ava sulud -5u ( 5v - u)

-25uv + 5u2

-10uv + 5u2

-25uv - 5u2

10uv + 5u2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ava sulud (4t + 3s)2

16t2 - 24ts + 9s2

16t2 + 12ts + 9s2

4t2 + 12ts + 3s2

16t2 + 24ts + 9s2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Vihik maksab 84 senti , mis moodustab 70% esialgsest hinnast, kui palju maksis vihik ennem?

58,8

25,2

120

100

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