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Anastasia1005
@Anastasia1005
July 2022
1
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Упростите выражение:
а) y*(-2a)*(-3b)
б) 2xy*7xz
в) 5ab*(-0.2b)
г) 4a+(a+b)-(2a+3b)
д) 2(x+3y)-3(3x-y)
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sergpiv
A) y(-2a)(-3b)=6aby
b) 2xy*7xz=14x^2yz
в) 5ab*(-0,2b)=-ab^2
г) 4a+(a+b)-(2a+3b)=3a-2b
д) 2(x+3y)-3(3x-y)=-7x+9y
4 votes
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Answers & Comments
b) 2xy*7xz=14x^2yz
в) 5ab*(-0,2b)=-ab^2
г) 4a+(a+b)-(2a+3b)=3a-2b
д) 2(x+3y)-3(3x-y)=-7x+9y