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mashanet2702
@mashanet2702
July 2022
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упростить выражения
а) x+(4x+5-2)
б) (a+2,8)-(1,3-4,7a)
в) 4(3-5x)+12x-8
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0dtsseth0
А) х+(4х+5-2) = х+4х+5-2 = 5х+3
б) (а+2,8)-(1,3-4,7а) = а+2,8-1,3+4,7а = 5,7а+1,5
в) 4(3-5х)+12х-8 = 12-20х+12х-8= 4-8х
1 votes
Thanks 1
0dtsseth0
в последнем можно еще вынести 4,
4(1-2х)
MASON1839
А) x+(4x+5-2)=5x+3
б) (a+2,8)-(1,3-4,7a)=1,5+5,7a
в) 4(3-5x)+12x-8=12-20x+12x-8=4-8x
0 votes
Thanks 1
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Answers & Comments
б) (а+2,8)-(1,3-4,7а) = а+2,8-1,3+4,7а = 5,7а+1,5
в) 4(3-5х)+12х-8 = 12-20х+12х-8= 4-8х
4(1-2х)
б) (a+2,8)-(1,3-4,7a)=1,5+5,7a
в) 4(3-5x)+12x-8=12-20x+12x-8=4-8x