Sulgude avamine ja koodamine 7. klass

Sulgude avamine ja koodamine 7. klass

7th Grade

10 Qs

quiz-placeholder

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Sulgude avamine ja koodamine 7. klass

Sulgude avamine ja koodamine 7. klass

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Used 12+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Kooda sarnased liikmed:

x +2x + y - 2y - 3y - 4x =

-x -4y

7x - 6y

x + 4y

-x

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koonda sarnased liikmed:

2c+a -2a -3b -2c + a =

a + b

-3b + 2a

-3b

-3b + 4c

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koonda sarnased liikmed: a -12a -11 +3b +10a -4b +12 -b

-a -2b +1

a + b + c

-11a + 7b - 23

-a -2b -1

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koonda sarnased liikmed:

2x2 -3x +4 -3x2 -5x +3

2x3

-9x3 + 7

-x2 -8x + 7

-x2 + 8x + 7

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Koonda sarnased liikmed: 2xy - 2xy2 + 2x2y + xy2 - 3xy + x3- xy2 =

x3 -xy

x3 +2x2y - 2xy2 - xy

x3 + 6x2y2

-x6y4

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Ava sulud ja koonda: - (2a - b) =

-2ab

-2a + b

2ab

-2a -b

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Ava sulud ja koonda: a - b + 2(a + b) =

3a + b

3ab

-3ab

3a - b

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