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mineeva011
@mineeva011
October 2021
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упростите выражения:а)у+7*(у-3,1);
б) 1,1x+1,3*(2x-4)
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NeZnaykaY
А) y+7*(y-3,1) = y+7*y - 7*3,1 = y+7y - 21,7 = 8y - 21,7
Б) 1,1x+1,3*(2x-4) = 1,1x + 1,3*2x - 1,3*4 = 1,1x + 2,6x - 5,2 = 3,7x - 5,2
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Answers & Comments
Б) 1,1x+1,3*(2x-4) = 1,1x + 1,3*2x - 1,3*4 = 1,1x + 2,6x - 5,2 = 3,7x - 5,2