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DaniilYTWiner
@DaniilYTWiner
July 2022
2
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Сократите как можно больше примеры:
1) -2(7x-2y-3a)+3(3y-2a+x)
2) -(x-y)-(a-x)-(y-a)
3) -(m+n)-(x+y)-(x-y-m-n)
4)-6(x-3y+4z)-11(x+7y-2z)
5)-3(2a-b)-5(b-2a)
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Answers & Comments
MiniDemich
1. Раскрываем скобки
-14x + 4y+ 6a+ 9y- 6a+ 3x = - 11x + 13y
2.Раскрываем скобки
-x+y-a+x-y+a = 0
3.-m-n-x-y-x+y+m+n = -2x
4.-6x + 18y- 24z-11x -77y+ 22z= -17x - 59y-2z
5.-6a+3b-5b+10a=4a-2b
1 votes
Thanks 0
DaniilYTWiner
Спасибо!
jekadva
1) -2(7x-2y-3a)+3(3y-2a+x) = -14x+4y+6a+9y-6a+3x= -11x+13y
2) -(x-y)-(a-x)-(y-a)=-x+y-a+x-y+a= 0
3) -(m+n)-(x+y)-(x-y-m-n)=-m-n-x-y-x+y+m+n= -2x
4)-6(x-3y+4z)-11(x+7y-2z)=-6x+18y-24z-11x-77y+22z= -17x-59y-2z
5)-3(2a-b)-5(b-2a)=-6a+3b-5b+10a=4a-2b
1 votes
Thanks 0
DaniilYTWiner
Спасибо!
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Answers & Comments
-14x + 4y+ 6a+ 9y- 6a+ 3x = - 11x + 13y
2.Раскрываем скобки
-x+y-a+x-y+a = 0
3.-m-n-x-y-x+y+m+n = -2x
4.-6x + 18y- 24z-11x -77y+ 22z= -17x - 59y-2z
5.-6a+3b-5b+10a=4a-2b
2) -(x-y)-(a-x)-(y-a)=-x+y-a+x-y+a= 0
3) -(m+n)-(x+y)-(x-y-m-n)=-m-n-x-y-x+y+m+n= -2x
4)-6(x-3y+4z)-11(x+7y-2z)=-6x+18y-24z-11x-77y+22z= -17x-59y-2z
5)-3(2a-b)-5(b-2a)=-6a+3b-5b+10a=4a-2b