-2(1-х-3у) =
Раскрытие скобок
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Раскрытие скобок
Quiz
•
Mathematics
•
6th Grade
•
Hard
Ирина Козлова
Used 21+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2+2х+6у
-2+2х+6у
-2-2х-6у
2-2х+6у
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-2(-а+в-с) =
-2а-2в-2с
-2а-2в+2с
2а-2в+2с
2а+2в+2с
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-2(25+а-4в) =
-50-2а+8в
50-2а+8в
-50+2а-8в
50-2а-8в
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
а(-в-5-6с) =
ав-а-6ас
-ав+5а+6ас
ав+5а+6ас
-ав-5а-6ас
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2(-а-3в+с) =
2а-6в+2с
-2а-6в+2с
2а+6в+2с
2а+6в-2с
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-2(4-а+3в) =
8+2а-6в
8-2а+6в
-8+2а-6в
-8-2а-6в
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
7(в+3-2а) =
7в+21-14а
-7в-21-14а
7в-21-14а
7в-21+14а
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