第20章 老套但有用的方法（1 / 2）

PHA+Jmx0O2RpdiBpZD0ibnIxIiBzdHlsZT0iZm9udC1zaXplOjE4cHgiJmd0OzwvcD48cD4J56ysMjDnq6DogIHlpZfkvYbmnInnlKjnmoTmlrnms5UNPC9wPjxwPui/meWkp+aZmuS4iueahO+8jOS7gOS5iOS6i+aDhei/meS5iOedgOaApe+8nw08L3A+PHA+5byg5LqR6Zyy5pS25Zue6KeG57q/77yM55yL5ZCR5omL5Lit55qE57qi546J77yM5q2k5pe254G15Yqb5bey57uP5a6M5YWo5oGi5aSN77yM5L2G6YKj6IKh5pqW5rWB5Y205rqQ5rqQ5LiN57ud77yM6Ieq5omL5b+D5raM5YWl77yM5rWB5ZCR5Zub6IKi55m+6aq477yM5aW55oSf6KeJ6Lqr5L2T55qE55ay5oOr6YO957yT6Kej5LqG6K645aSa44CCDTwvcD48cD7mtLvliqjkuobkuIDkuIvmj6HliZHnmoTpgqPlj6rmiYvvvIzphbjnl5vmhJ/lt7Lnu4/lrozlhajmtojpgIDjgIINPC9wPjxwPuKAmOWGjee7g+WHoOasoe+8geKAmeWlueW/g+S4reaal+mBk+OAgg08L3A+PHA+546J55uS6YeM6L+Y5pyJ5LiA5p2h57qi57q/77yM55So5YW25bCG57qi546J56m/6L+H5LmL5ZCO77yM5q2j5aW95Y+v5Lul5oi05Zyo6ISW5a2Q5LiK44CCDTwvcD48cD7lvojlv6vvvIzplb/liZHlho3lhaXmiYvkuK3vvIzngbXlhYnopobnm5bliZHouqvvvIzlvKDkupHpnLLlm57lv4bnnYDliZHmi5vvvIzmiYvkuK3plb/liZHpmo/kuYvmjKXlh7rjgIINPC9wPjxwPuS4juS5i+WJjei/mOW4puedgOS4gOS4neeUn+a2qeeahOWJkeaLm+ebuOavlO+8jOi/measoeWNtOaXoOavlOeahOWchuiejeWSjOiwkOOAgg08L3A+PHA+5Lid5Lid57yV57yV55qE5pqW5rWB5Zyo6Lqr5L2T5Lit5rWB6L2s77yM5omL5Lit6ZW/5YmR5aW95Ly85riF6aOO5ouC6L+H77yM5rWB5LqR5raI5pWj77yM5YmR6Lqr56uf5piv5oKE54S26ZqQ5rKh77yM5Y205Y+I5Zyo5LiL5LiA556s5b+95Zyw5rWu546w44CCDTwvcD48cD7llLDvvIENPC9wPjxwPuS4gOaKueeZveiKkua/gOWVuOiAjOWHuu+8jOWGsuWHuuS4ieS4iOS5i+i/nOaJjea4kOa4kOa2iOaVo+OAgg08L3A+PHA+5q2k5Li65YmR6IqS77yM5Y+v5YmK55+z5Li66ZWc77yM5YWl5a+S6ZOB5LiJ5YiG77yBDTwvcD48cD7jgIrmtYHkupHliZHms5XjgIvnrKzkuIDlvI/vvIzmiJDkuobvvIENPC9wPjxwPuern+eEtuaIkOS6hu+8nw08L3A+PHA+5bCx6L+e5byg5LqR6Zyy6Ieq5bex6YO95oSj5L2P5LqG77yM5piO5piO5Yia5omN6Ieq5bex6L+Y5beu5b6X6YKj5LmI6L+c44CCDTwvcD48cD7lkqzkuoblkqzlmLTllIfvvIzlpbnmj6HkvY/kuobog7jlj6PpgqPlnZfnuqLnjonvvIzljbPkvb/pmpTnnYDooaPmnI3vvIzkuZ/kvp3ml6fog73mhJ/lj5fliLDlroPnmoTmuKnluqbjgIINPC9wPjxwPuKAmOaJgOS7pe+8jOS7luaYr+aOqOihjeWHuuS6huiHquW3seS8muW+l+WIsOi/meWdl+e6oueOie+8jOaJjeaWreWumuiHquW3seiDveWcqOWQjuWkqeS5i+WJjee7g+aIkOOAiua1geS6keWJkeazleOAi+WQl++8n+KAmQ08L3A+PHA+6YKj5piv5LiN5piv5Lmf5Luj6KGo5LuW55+l6YGT6L+Z57qi546J55qE5p2l5Y6G5ZGi77yfDTwvcD48cD7lvKDkupHpnLLlv4Pnu6rnurfpo57vvIzorrjkuYXmiY3lubPpnZnkuIvmnaXjgIINPC9wPjxwPuaYjuWkqeaUvuWtpuS5i+WQjuWwseWOu+mXru+8gQ08L3A+PHA+5YWz5LqO54i25q+N6Zmo6JC955qE55yf55u477yM5aW56Iul5piv6K+05a6M5YWo5LiN5Zyo5LmO6YKj5piv5YGH55qE77yM55u45L+h6ICB5ZOl5Lmf5piv44CCDTwvcD48cD7ogIznjrDlnKjlsLHmnInkuIDkuKrosIPmn6XnmoTpgJTlvoTvvIzkuI3ljrvmipPkvY/miY3mmK/lgrvlrZDjgIINPC9wPjxwPuiHs+S6jumjjumZqeKApuKApg08L3A+PHA+5ZG177yM6YKj56eN57qn5Yir55qE5aSn5L+u5aOr5aaC5p6c5pyJ5b+D6LCL5aS677yM6Ieq5bex5ZKM6ICB5ZOl6Zq+6YGT6L+Y6IO95Y+N5oqX5LiN5oiQ77yfDTwvcD48cD7oh6rlt7Hlj6rmmK/kuKrnu4PmsJTlooPvvIzogIHlk6XkuZ/lj6rmmK/kuKrph5HkuLnllYrvvIENPC9wPjxwPuW/g+S4reS4i+S6huWGs+WumueahOW8oOS6kemcsuaUtuWlveWJke+8jOaLv+S4iuS4gOaXgeeahOeOieebkuS7peWPiuWbnuWFg+eBtea2su+8jOi9rOi6q+emu+W8gOWkqeWPsOWbnuS6huWutumHjOOAgg08L3A+PHA+5rSX5ryx6L+H5ZCO77yM5aW555u05o6l6LWw6L+b5Y2n5a6k44CCDTwvcD48cD7ngrnkuIrkuIDmoKrlronnpZ7pppnvvIzpmo/nnYDoooXoooXng5/mn7HljYfotbfvvIzlvKDkupHpnLLkuIrluorourrlpb3pl63kuIrnnLzvvIzmiYvph4zov5jntKfntKfnmoTmj6HnnYDnuqLnjonjgIINPC9wPjxwPuW+iOW/q+WlueS+v+ayieayieedoeWOu++8jOS9huWNtOW5tuacquS4gOaipuWIsOWkqeaYjuOAgg08L3A+PHA+5LiA54mH54Gw6JKZ6JKZ77yM55yL5LiN5riF6L656ZmF55qE5aWH54m556m66Ze05Lit77yM5byg5LqR6Zyy5LiA6IS45oe16YC855qE5omT6YeP552A5ZGo5Zu044CCDTwvcD48cD7lv73nhLbvvIznnLzliY3lh7rnjrDkuIDooYzph5HoibLmloflrZfjgIINPC9wPjxwPuOAkOWlveWQp++8jOaIkeaJv+iupOi/meagt+aIluiuuOiAgeWll+S6huS4gOeCue+8jOS9huS7peS9oOeahOaguemqqOaCn+aAp+aDs+imgeWcqOWQjuWkqeWJjee7g+aIkOOAiua1geS6keWJkeazleOAi++8jOi/meaWueazleacgOmAguWQiOS4jei/h+S6huOAkQ08L3A+PHA+4oCc77yf77yf77yf4oCdDTwvcD48cD7jgJDmlYzvvJrnu4PmsJTkuZ3lsYLliZHkv67vvIzjgIrmtYHkupHliZHms5XjgIvlsI/miJDjgJENPC9wPjxwPuOAkOebruagh++8muWHu+adgO+8geOAkQ08L3A+PHA+5ZWl77yfDTwvcD48cD7llaXnjqnmhI/lhL/vvJ8NPC9wPjxwPuaIkeeOsOWcqOaAleS4jeaYr+WcqOWBmuaipuWQp++8nw08L3A+PHA+5bm25rKh5pyJ57uZ5aW55Y+N5bqU55qE5py65Lya77yM5ZGo6L656Zu+5rCU57+76IW+77yM5Zyo5aW55omL5Lit5rGH6IGa5oiQ5LqG5LiA5oqK6ZW/5YmR44CCDTwvcD48cD7lhaXmiYvlhrDlh4nvvIzmsonnlLjnlLjnmoTph43ph4/or4HmmI7ov5nnmoTnoa7mmK/nnJ/otKfvvIENPC9wPjxwPuetieetie+8gQ08L3A+PHA+6Zq+6YGT5LuW6K+055qE5YW25a6e5LiN5piv6YKj5Liq57qi546J77yM6ICM5piv6L+Z5Liq5Y+k5oCq55qE5Zyw5pa577yfDTwvcD48cD7kuIDpgZPmj5DliZHouqvlvbHoh6rngbDpm77kuK3otbDmnaXvvIzkuIDouqvpu5HoibLlirLoo4XvvIznnIvkuI3muIXpnaLlrrnvvIznu4PmsJTkuZ3lsYLnmoTngbXlipvmr6vkuI3mjqnppbDvvIzkuI7lpbnkuI3nm7jkuIrkuIvjgIINPC9wPjxwPuWSleWZnO+8gQ08L3A+PHA+55yf6KaB5omT5ZWK77yfDTwvcD48cD7msqHmnInkuJ3mr6vmi5bms6XluKbmsLTvvIzliZHkv67omZrlvbHouI/mraXvvIzmj5DliZHvvIzovaznnqzkvr/liLDnnLzliY3vvIzlr5LlhYnpl6rpl6rnmoTplIvliIPmlqnlkJHlpbnnmoTohJHooovjgIINPC9wPjxwPuWujOWFqOeUqOihjOWKqOino+mHiuS6hui/meW5tuS4jeaYr+aJk++8jOiAjOaYr+WOruadgO+8gQ08L3A+PHA+5Y+u77yBDTwvcD48cD7lvKDkupHpnLLmjKXliZHmoLzmjKHvvIzlkIzml7bov4XpgJ/lkJHlkI7mi4nlvIDouqvkvY3vvIzkvYbplb/liZHlpoLlvbHpmo/lvaLvvIzkuIDov57pgIDkuobmlbDmraXvvIzmnInkupvlj5HpurvnmoTlj7PmiYvov5nmiY3nvJPov4fmnaXjgIINPC9wPg==