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Dauginame greitai

Authored by jurguta jurguta

Mathematics

8th Grade

Used 66+ times

Dauginame greitai
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25 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Sudauginkite ir sutraukite panašiuosius narius:
2(5a - 1) + 3(4a - 7) =

22a + 2
22a-23
22a2 - 5
14a - 23

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Sudauginkite ir sutraukite panašiuosius narius:
-7(3  - 2a) - 5(6a + 1) =

-26 -16a
26 - 16a
20a -21
25a + 16

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sudauginkite ir sutraukite panašiuosius narius:
2(x - 7) =

2x - 7
14x -7
2x - 14
2x + 14

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Sudauginkite ir sutraukite panašiuosius narius:
8(-2 - b) =

-10 - 8b
-16 - 8b
-16 - b
-10 +8b

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sudauginkite ir sutraukite panašiuosius narius:
(4a - b + 1) ⋅ 3a =

4a - 3b +3a
12a2 - 3ab + 3a
12a - 3ab + 3b
12a - b + 1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sudauginkite ir sutraukite panašiuosius narius:
(x + 2)(x + 4) =

x2 +6x +8
x2 + 2x +8
x2 + 6x +6
x2 + 4x +6

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sudauginkite ir sutraukite panašiuosius narius:
(x - 4)(x - 4) =

x2 - 4x + 4
x2 + 4x - 16
x2 - 8x - 16
x2 - 8x + 16

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