... 3 40, 42, 44, 46, 48 5 44 4 35 , 38 , 42, 44, 46, 47 6 42 5 36 , 39 , 40, 42, 43 5 40 6 32 , 35 , 37 , 38 , 39 , 42, 43 7 38 7 32 , 34 , 36 , 38 , 40 5 36 8 31 , 32 , 33 , 34 , 35 , 36 , 37 7 34 9 28, 30 , ... 6.25 -1 5.5 4 39 16 156 -1 .5 1.2 2.25 -1 .8 5 38 25 190 -0 .5 0.2 0.25 -0 .1 6 37 36 222 0.5 -0 .8 0.25 -0 .4 7 34 49 238 1.5 -3 .8 2.25 -5 .7 8 33 64 264 2.5 -4 .8 6.25 -1 2 9 30 81 270 3. 5 -7 .8 ... 2X2i - 3 X3i) (-1 ) = 0 (3. 8) Q/2 = i2(Yi - 1 - 2X2i - 3 X3i) (-X2i) = 0 (3. 9) Q/ 3 = i2(Yi - 1 - 2X2i - 3 X3i) (-X3i) = 0 (3. 10) 48http://www.ebook.edu.vn...