第17章叶凡的问题（2 / 2）

PmMvPIG876Wd5re16KC85ae055e+5ZiP5aGs5o2G5Yy875uw5pSw5iA+Yzw+Yy88DYKA46iK5bKs5qKg6KKg6Kq45Kq45IC45Iy876Gu56KS6YSa56245IuJ5qe056WU5oy877KJ6Iu55LaB5raH5bCO56615oq45LiE6Iy8756x5bau5bq65IWX54GA47mX6buM5Ymc5oCJ5iA+Yzw+Yy88DYKA47Cj5YC45Ia65IqW5baE54Gq54Gw6JOB6aWf54245Iy876245KS+57q65CA+Yzw+Yy88DZ2A4oG874Sa56u45Lut5pOJ5p+876KR5Z2v6LSv6Ii55I6A5pyA4iA+Yzw+Yy88DZ+875eQ5ZCt5bS35bSY5aek5aC95L2K5rau5bq65Kmu6J6u5aOP5bmW5rmv5Zm756+Y5o245Jm/6Iy874Sa57ut5qKZ6buM5ay75LGS5aic5a+Y5rq65IWX55+875eQ5a6X6aiU55i/6Jm/6J+875eQ5Zii6a6X6YSa57mC57Gw6KCd6a6+5Y2o56q45K6X6b2D6Iy876Cd6SA+Yzw+Yy88DYG874a65LiC55Sw5pm7572D6bqC6LSb54Cu54y875ii6a6X6aq45Jm/6KyQ5YC45JG65KmA5aKw6CA+Yzw+Yy88DZ2A4oG874Sa57ut5oi55I6A5q+Y5pW65bCI5Yy877K65I2v5qC95Iy8766X6a6X6bOD5rGw5ZGI5pyA4oy8762v6JKS5aWP5YC45Ia65LW/5Zi76Yy874Cv6IeM5qq45IC45Ia65JCO5reB5beB5a245IuJ5oy877eU56ih6JGH6YCd54uc57Cc5bSb57Sb55ud57yc56GH5baP5Z2A4oG875WN5YCu54i+5Zii6a6X6ZyA4iA+Yzw+Yy88DZ2A4oG874qV5a+c5pSt6aq45JiP5aC95Jm755GI5pyA4pq875OB6bSv6Iy875Gs54C45K6+5a6+5bml5bKG5bSk5Ye/6J6b5Yy874mF5a6b54Sa54O/5YWL5rG35aqH6Lq45KOC6YS+5oO/5b6h6bCI5Ymn6J+E5r2D6I655Ly85KGH5baP5SA+Yzw+Yy88DYKA44a65I+E5pGs54Sa54q45LiE6I+95I245IuO5Y655KCH5Yy875Ct5beg5oSa56qY54OQ5YGm6Ja75ICd56Gx6LOD5oy876GH5baP5YCd54uc55G65JKd6aGD6J2A4oG874Sa57WY6YuO5aC95Lq45Jq85Ky75JGI5oy874qV5a6X6ae057a16KC95Iy874qV5YCd56OE5quI5YKA46KR5Zm/5b2D6bau5aek5Yy876GH5baP5ZyA4iA+Yzw+Yy88DYKA44Sa56u45Lut5o2P5oy874q45IyA6KWL5oC45LGw5bau5aek5Yy877Sk5bmv5Y245Je+5a6X6Zii6a6X6ZCt5Y+w5Zm/6IGm6KqP5YKA45KX572l5YuJ5oy874a65J+U57uM5ZOJ5qGy5oW55L2l5Yy874Sa54im5Yy875Gs57eB5bWY6YC45LGw5ay75LmX6buM5Ymc5oCJ5iA+Yzw+Yy88DYKA46+96IC45LCc5ZuM56245IO/5Yy874WD5ou65ISa542j5oOQ55Kj5o+95KGM5rml5a645bCc5au66L6h6Y245Iul5aGH5baP5ZqI5ZqI5be16LOD5rCc5aaT6IKA45WZ5qK654eJ54C45Le16L6F6Iq45LiE6IS+5oO/5b6h6Z2A4oG874a65LuO5Ye/6KmX5oG874qV5Za75KKs5pyW5YGw6JyA4iA+Yzw+Yy88DYKA45OB6bSv6Iqi6biE6ISa54uP5bOl5YCd56eL5pGs56mA5Zuv5p2A4oG876KR5Za75KKs5pyW5Y245I2J5pGI5oKA47mU5o245IO/5but5pa75Lmv5aC95K+Y5rGw5Z+55Iy874eI5ZyA4iA+Yzw+Yy88DYKA45OB6a6X6bCj5Y+w5Yy874u45IC45Ia65L2K5q245IO/5YS+5oO/5b6h6Z2A4p+876eQ5Za75Iq45KKs5pyW5Zq85I245KC95J+875eQ5Y+d5Yi+5Za75LSv6Ji/6I245JqI5ZqI5aC95JyA4iA+Yzw+Yy88DYKA45OB6bSv6IS+5oO/5b6h6YCd54uc57Cc5a+c56+c55Gs56mA5Zuv5p2A4oG874O/5aG/5Imc5pa75Lmv5ZGI5pyA4iA+Yzw+Yy88DZ2A4oG874qV5ZOJ5qiM5rml5amu6LOD5q+Y5pi/6Iy874qV5YO/5aG/5Imc5pa75Lmv5a+Y5pW65bCI5aC95JyA4iA+Yzw+Yy88DZ2A4oKA47q65Kq45IC45IyQ5a+Y5o245LGw5bSb54Cu55Sv5rib56mk5aCH5Y2J5YyS5Yy874a65Kek5aqk5Ze+5ZiP5Za75J+875eQ5Ze+5Ymn6KGy5qC95IKA45qu5Z6Q5ou65La75Jm/6IqK5r2D6KGH5baP5Ze+5Ymn6JGI5oy874Sa54i55I6A5qWf54245JyA4pq875OB6bSv6LCc5b255b255Yy877Sk5YeR5oa65IeR5qmA5Zuv5iA+Yzw+Yy88DZ2A4oKA44a65JOJ5qiM5o2G5Za75Kmu6KuI5Yy875a75J2K5Z2K5buO5ZyA4pq875OB6bSv6Iy876mA5Zuv5oqK5oC45Ia65KiO5rml5Yy874O/5YWL5rWY6YC45K+Y5p+55IS+5oO/5b6h6SA+Yzw+Yy88DZ2A4oG875y95KW35b6J5qKd6Zak5bCI5aW75K+P5ZGI5oG875uY5bS55YC45IyB6JyB5a+Y5rGw5Y245Iy874a65KSu6JGI5oKA44a65LSv6Ky75Ja75IyS5auI5Yy876GH5baP5ZyA4pq875OB6bSv6Iy874qG6LOD6ISa56GH5baP5YCd54mL5oy874O/5YWL5q+Y5oiP5aiK5Z+E5q+Y5oiP5by35p2A5o6d5oy877Sk5bqH5Za75Lq45KGs5o2G5aGH5baP5Yuc5yA+Yzw+Yy88DZ2A4oG874im5ZGI5pi/6Ky75KC95IG874a65Lut5oS85Zm756y75KC95Kui6K+Y5qyh54y876qk5aqk5YGA6Kq45IC45ISa572l5Zqk5Yy877K65I2v5oSa55GI5ruF5ZGI5p+U54y877K65I2v5oSa55GI5pyA4pq876Wd5rqH5Ya65IG15rSX6aye57Sw5qqz5oy876K654C45Iic5byc54Sa55a75Iy8746Q5baE5yA+Yzw+Yy88DYKA45OB6bSv6LCc5aiB5qSE5riE6IC45LeU56ih6JGH6Z2A4oG876KR5aC95JOJ5rOD5pi/6JGI5oG874Sa57u96K+Y5peu56C95KiO5pGI5oy874a65Lut5ruy5r2D6Zio5bK65JGI5oqK5qKZ6buM5ay75KC95J+874a65IuS5aC95KiK5bGw5ZGI5pyA4iA+Yzw+Yy88DYKA45OB6bSv6LCc5a+c56+c55Gs56GH5baP5Z2A4oKA44uJ5qiK5Y245KOP5aiK5ZCt5ZuQ5ZyA4iA+Yzw+Yy88DZ2A4p+876eQ5a+Y5p+k5aiM5qGy5pOJ5qiM5p+874u65J6b5YuS5ZCt5Y+w5aC95JyA4pq875OB6bSv6IqK5oC45Ja75Ia65KiO5oy8742J5Z+36KGH5baP5bCI5bC16LCc5aCL57SY6biE6IC45LeU56ih6JGH6SA+Yzw+Yy88DYKA46GH5baP5YCd54uc57Cc5ae/5YWL5riE6IC45L2D6ay75J+U57uM5SA+Yzw+Yy88DYKA47+h6YC45JOJ5rSa5o2G5b2l5YCc5oy877ut5puR5ay75Ja75LeU56ih6JGH6aui6KGH5baP5bCI5Yuc57au5aek5amu6LOD5q+Y5rGw5ZmA5baX5pm/6Ja75CA+Yzw+Yy88DYKA45OB6bSv6J+U57uM5Za75LaF5bmv5YCd55Gs55G65JKd6aGD6J2A4oG875at55KI5Yuw6LqH5aGH5baP5a645b2l5Z+55Iy876Wd5oe/6L2D6YKA46C55Kat5Za75JGQ5YGm6L2D6ay75KC95Iy875SA4pSA4oqV5YKA44+E5qic5YSa54i55Jqk5a+Y5omq6KON6ISa56KZ6buM5bmv5Yy875+U57uM5aGH5baP5YSa56y75JGI5q+Y5pi/6Iy874uc54uc56y75KC95JyA4iA+Yzw+Yy88DYKA47ib55+c54Sa546Q5YyD6LqH5b6J5qGP5oqK5pW95Lu75Imc5qGy5rGw5ayc5rmg5qGH5baP5Yy876G/5Jqd5bSb5pa75Iy875OJ5qiM5pWA5rOu5bG85ZqZ6IO/5YWG5ZCI5qOn6IaQ55G65JKd6aGD6Kui6I+E5oSW5YSa56GH5baP5a+Y5q+P5SA+Yzw=