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Раскрытие скобок, коэффициент, подобные слагаемые

Authored by Гульнара Галияхметова

Mathematics

6th Grade

Used 77+ times

Раскрытие скобок, коэффициент, подобные слагаемые
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14 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

х + b – x – b + 2 =

b

x

2

2bx

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

23x – 23 + 40 + 4x =

23x

40

27x+63

27x+17

3.

FILL IN THE BLANKS QUESTION

45 sec • 1 pt

Запишите коэффициент произведения:

6х*10

(a)  

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Определите знак коэффициента, в ответе напишите + или -

-3a*(-5b)*2a*(-10b)*(-8a)

(a)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Упростите выражение:

-2,1a*(-3x)

-6,3ax

5,1ax

6,3ax

-5,1ax

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Раскройте скобки:

10a + (19b – 34c) – 50 – (m + n)

10a + 19b – 34c– 50 – m + n

10a + 19b – 34c – 50 – m - n

10a + 19b +34c – 50 – m - n

Гульнара Илшатовна, я не знаю

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Раскройте скобки, запишите ответ:

-(-2+5-32)

(a)  

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