упростите выражения
а) -0.6a*0.75b*(-c) a) a*(-0.25b)*(0,8c)
b)-(2a-3)+(4a-2) b)(7a-3)-(-8-2a)
c)4(1.25x-0.9)-3x+4.6y c)-2*(0.5x-1.4y)+2x+3.2y Hellp me
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упростите выражения
а) -0.6a*0.75b*(-c) a) a*(-0.25b)*(0,8c)
b)-(2a-3)+(4a-2) b)(7a-3)-(-8-2a)
c)4(1.25x-0.9)-3x+4.6y c)-2*(0.5x-1.4y)+2x+3.2y Hellp me
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Answers & Comments
1a=0.45abc
1b=2a+1
1c=5x-3.6-3x+4.6y=2x+4.6y-3.6
2a=-0.2abc
2b=9a+5
2c=x+6y