Является ли число -2 решением неравенства: 1) 5x2(пять икс квадрат) - х+3 < 0 2) х2 - 4х + 4 > 0
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19.05.2019 19:10
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3
1) нет( т.к. 25>0, а не меньше)
2) да (т. к. 16>0)