【重点】百位625794,十位845690.
1、排除689头,318百,172十,尾861
2、铁卒:57、79、67、23.
3、三字现:345,239,589,456,179,149,168,358
4、二定位1XX0 X5X7 17XX X7X5 X5X5 X95X 2X8X X74X 72XX 2X4X 2X9X 0XX2 79XX 7XX5 XX65 76XX XX55 1X4X XX82
5、三定位:068X,4X53,06X2,X647,X683,X542,07X2,76X5,X760,49X3,75X3,05X0,7X55,05X5,