... 1 5 5 5 = = 91,5) 3 .8 = (1,5) 3 .2 3 = (1,5 .2) 3 = 27 a, 20 8 b, 5 8 .2 8 = 10 8 c, 15 8 .9 4 = 15 8 .3 8 = 45 8 a, 27 8 3 2 3 = ; ( ) 27 8 3 2 3 3 = ( ) 3 3 3 3 2 3 2 ... 0 ,87 5 = 8 7 6 5 8 7 > vì 24 21 8 7 = > 6 5 24 20 = => 6 5 8 7 < 13 4 130 40 130 39 10 3 =<= Sắp xếp -1 13 4 10 3 0 6 5 8 7 3 2 <<<<< => -1 13 4 3,00 6 5 87 5,0 ... 5 2 1 . 8 5 16 5 = = = ...4: 4 5 2: 8 5 16 5 = = = -3,5 : 2 1 ; 2 3 2 75 ,8 ; 4 3 : 2 1 2 15 6).5.(4 )25.(12.3 6 25 . 5 12 . 4 3 = = b, 8 19 c, 15 4 d, 6 1 1 6 23 . 23 7 = 8 Nguyễn...