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08Yana80
@08Yana80
August 2022
2
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Упростите выражение 1)а+(-b)-(-2a)
2)-a-(+a)+2b-(-b)
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regina12022
Verified answer
1) а+(-b)-(-2a)=a-b+2a=3a-b
2) -a-(+a)+2b-(-b)=-a-a+2b+b=-2a+3b
4 votes
Thanks 10
Dan2407
Verified answer
1) а+(-b)-(-2a)= a-b+2a= 3a-b
2)-a-(+a)+2b-(-b)= -a-a+2b+b=
-2a+3b
3 votes
Thanks 6
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Answers & Comments
Verified answer
1) а+(-b)-(-2a)=a-b+2a=3a-b2) -a-(+a)+2b-(-b)=-a-a+2b+b=-2a+3b
Verified answer
1) а+(-b)-(-2a)= a-b+2a= 3a-b2)-a-(+a)+2b-(-b)= -a-a+2b+b= -2a+3b