1 Сравните 

а)2/3  и 0,66

б)5/6+1/4 и 1,1

в)-\sqrt{11} и -3,4

г)\sqrt{3} + \sqrt{5} и \sqrt{2} + \sqrt{6}

2.Известно,что -3 <  x < 2. Оцените значение выражения  0,2х - 4

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