Предмет: Математика, автор: vrud6701

Упростить 3а(-4в)(-5с) 

Ответы

Автор ответа: Lulzsec
2

Ответ:

60abc

Пошаговое объяснение:

1 3а(-4в)(-5с) 

2 3a×4b×5c=60abc

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1.    
________________________________________________
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2.    
________________________________________________
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No,
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3.    
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4.    
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No,
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5.    
________________________________________________
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Yes,
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6.    
Do
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________________________________________ .


7.    
Can’t
you swim? – ____________________________________________ .


8.    
Did
you have to be at school yesterday? – __________________________ .


9.    
Is
he a good doctor? – _________________________________________ .


10.          
Are
they watching TV now? – ___________________________________ .


Fill in the gaps. Answer the
following questions.

1.    
_______
do you get up?


2.    
_______
did you read?


3.    
________
do you live?


4.    
______
do you cry?


5.    
_______
_______ brothers have you got?


6.    
Who
are you? – ______________________________ .


7.    
When
were you born? – ___________________________ .


8.    
What
kind of books do you like to read? – ______________________________ .


9.    
Why
have you chosen this profession? – ______________________________ .


How long have you
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