第15章四阶？（1 / 2）

PmMvPA2CgOOolOecveS8r+Wxr+iEmueIg+e6vOWIueSZv+iflOenuuS7pueapea5r+WavOSNuOSfueSMvO+cmumDv+WEmueflOenuuSEmueKuOS8gueuv+SEmueagOmumeaMgOiMvO+UremDv+WflOeer+iavOSNuOS2ueWMvO+BlOmgm+W6n+W2mOmbm+WAvOWjp+iJnOahsuaYv+ifueSxt+Wqh+iMgOiMvO+Vs+azg+aEmuejreafnOeDv+WFhuWxt+Wqh+ivmOaNuOS2ueWVs+azg+aNp+ejgumaiOWaiOWMvO+TgemFheWloei7pueapeaPgOOmgOKmgOKPneWptOWvmOa9g+ivj+WOgOMgPmM8PmMvPA2CgOO3oOaAuOSGuuS8r+Wxr+iAiea/peicuOSIueSAu+SrouibveS/u+SvmOaMgOiMvO+Dv+WFhuWEmuext+Wqh+iqh+i6h+WNuOS2ueWMvO+Vs+azg+aEmueBlOmgm+W6n+W2mOmbm+W0oOeBqueBpuizg+aaiOWaiOWxt+Wqh+iwiOWGr+iPhOaWu+SGveSMvO+Jp+iOkOWln+eOkOWbuuSJnOa2hOe9meggPmM8PmMvPA2CgOOXv+WPhOaeruWfnOeEmuext+Wqh+iwiOWhj+aKiua7iOWPr+a2l+aPr+alu+Svj+WMvO+Wu+SEmueVs+aUrembjueSi+Wws+aJnOali+aMvO+TgemUuuWem+WtuOSljuaev+ibiuWepee+sueonOW7pueapeaPgOOCgOOVs+azg+aeruWfnOeEmueRiOaOuuSeseWNuOSquOSAuOSvmOajgumMvO+ZgOKUremDv+WYgOKNp+eQn+aGuuSwjue6h+WtuOSDv+WEmueRiOaMvO+0l+msnueAuOSaiOWaiOWMvO+Tgemln+eNuOSOgOMgPmM8PmMvPA2CgOOyiuW5r+WNuOSbuuSJnOaMvO+7pueapeaEmueaiOWaiOWOmOa0r+ilu+SztuijgumMvO+Bg+iBqOWwiOWJp+ifhOa6qeexqOa1teiMvO+jgum5iOWAuOSaiOWaiOWMgOiCgOO0vOSMkOWEmuesu+SWu+SvmOafueSMvO+/lemfmOmEmuesu+SWu+SvmOa7pueapea6uOSgm+WMvO+wiOWXj+WfhOaavOSNuOS2ueWYkeWQiOaEmuefmOmytOatuOSZgOW2l+asiOiAuOSMvO+pmemxjeWEmue3oOaZv+iGveQgPmM8PmMvPA2CgOOpmemxjeWIvuW9g+m7pueapeaMvO+0r+ilneaFgOiem+WuveiquOSAuOSVveS7u+SEmueBlOmgm+W6n+W2mOmbm+WAvOWjp+iJnOahsuaUuOSasOWOuuS5r+WCgOOnpOW6vOWgiuW0m+abiuWoiuW1v+WUr+aBpuibiuW1v+Wepee+sueEmue7pueapeaGveSMvO+JheWLueS1geeDv+WNp+eAuOSvmOafueSbiuWoiuW1v+WMvO+tuOSCp+iMleeWuOSEmueWgOaQgeaQmemgl+aonOUgPmM8PmMvPA2CgOOGuuSJheWLueS1geeDv+WbuuSQn+aOuuSxvOWNuOSPu+eyt+WMvO+0r+ilneaKuOSmuuWLqOeNp+eQn+aOu+SbiuW1v+Wepee+sueMvO+lneaHv+iUuuWNj+Wlu+S+mum9g+mSkOWRg+mvmOa/vuSzjeWMvO+6uuSVveS7u+StouiBqueBpuizg+aWu+ScnuaCpuWMvO+EmuepmemxjeWvmOa2hOeqh+i7pueapeaMvO+0r+ilnea6uuSWu+S2heWEmuefmOmytOatuOSOuuS5r+UgPmM8PmMvPA1ncmEuLmpqaoKA46mZ6bGN5Zu65Imc5pe+5ZiP5bSX6Yu55KOC6bmI5aic5ZqI5ZqI5bum55ql5rCI5ZS65Z+E5rml5Yy8772D6Kyc5oSa56Ku5bqI5bq45Jy95JS45IyA6Iy877mv5Y245LmC54mc5oWD5qih6ISa57um55ql5rqH5Yuc57ml5Yy875OB6bSv6K245Iu55KWO5p6/6JuK5Z6l576y56ic5baE572/5bqp57Go5rW16I+A45+877KK5bmv5Y245LmC54mc5oWD5p6l54Sa56C95Iy874a65Ii55I6A5qC95Iy877um55ql5o6A4yA+Yzw+Yy88DZmA4p+876KR5YGU6aCb5bqf5baY6Zub5bSg54Gq54Gm6LCI5bOD5oy875mA5baX5qq45Jm/6Kic5baE572/5Zq85Ii55I6A5pGI5oy874uO5YeV6ZSt6YO/5Yaw5ZWz5p6K5bOD5pS45La55Yy875uK5b2D6ISa55e+5beO6I6Q5Yu55LSg54Gq55S65YKA6aWd5rSX6baX5omc5r2D6Ji/6Iy874a65LSg54Gq56W75K+P5bGw5Yic5qq45KCH5amX5oy877Sg54Gq54Gm6JGI5pye5oKm5Yy876mL5omA6YSa566h56Ot5q+Y5o245J2755+55IGU6aCb5bqf5baY6Zub5bSg54Gq54K45YG556ic5Yy874mc5pi/6JiA4iA+Yzw+Yy88DYKA44a65LSg54Gq56WO5rSb57Gw5aic5bCO56+Y5o245IyA6Iy876mL5omA6YSa566h56Ot5oCc5oy877Oo54mu5YCc5q+Y5o2J5pm/6CA+Yzw+Yy88DYKA45OB6YGv6JuK5aW75Iy874uO5YeV6ZSt6YO/5YSa56Wd5rqH5Z+U556v6JqI5ZqI5Yaw5aW75K+P5b2D6Yy874+E5rOL5q+Y5pi/6IKt6Z6l54Sa57um55ql5q+Y5rqu6KCX5oy877aX5qOC6YKA44Sa54GU6aCb5bqf5baY6Zub5YC85aOn6I2G5Y6Q5baE54y876uK5beb6aGs5pS65Ia65Ie/6Ka65YKt6Z6l56+Y5oWA6JaI5oiP5Yy877O55bSw5oSa55m75Lq65LCI5b6+6I+E5rOL5oSa57G35aqH6Imt55eu55OJ5q+Y5rum55ql5qW75ICJ5iA+Yzw+Yy88DYKA44yV54Oi5auK5beb6aGs5pS65Kys54645Jm75Lq65K+Y5quI5YaI5Yy874yV54Oi5byC566/5IKt6Z6l54yS5ZOB6aat5oSa54yV55a45J6l57OY6YSa55S65bmv5YGU6aCb5bqf5baY6Zub5Yy874uc56Wd5pmW5oS16ISa54GU6aCb5bqf5Y665LOF5YSa56KN5pGF5YyH6aOC6Z6l57u45I675Ja75KeF54mM5iA+Yzw+Yy88DYKA44Sa54qb56CX5rOu5Ymc5q+Y5raX5oKa5rSv6KWd5rum55ql5oSa56ic5bCO57mv5Yy874GU6aCb5bqf5baY6Zub5YC85aOn6CA+Yzw+Yy88DYKA47Ou5Z+N5oSa55CI5qCA6bG35aqH6Lmv5au66ImC6LuO5bGk5Yq45I245JSv5py/6Jy/6Iy874eN5ZCP5oSa57G35aqH6Lmv5ZuK5b2D6ISa566+5aWF5a+Y5oW75IW75Iy874mF5Yu55LWB54O/5Ze+5beO6LG35aqH6Kmu6L2D6I245La55Yy876e6552I5YGU6aCb5bqf5baY6Zub5Ya95Iy875uK5b2D6ISa566+5aWF5Ya65Imc5qWL5oKt6Z6l54Sa55a75Iy875mA5baX5qq45KOC6ZWA5qqT5Yy874a65IOd5raI5aeO5oSa56u66ImC6LG35aqH6J6b5bqk5b6a6Yi+5bGw5bum55ql5oy8746Q5Yu55I2q57qH5YKt6Z6l54yA6LaE5yA+Yzw+Yy88DYKA45eW5piI5ruO5ZO95Ku66ISa57um55ql5paP5bqk5aWO5rSb56W75K+P5aeX5p2+5JSt6YO/5Ya95Iy877aI5aeO5oCJ5pSt6YO/5aui6J6l576y54Sa57G35aqH6I2F5b+B6Yy8742q57qH5YKt6Z6l56WO5rSb56W75K+P5Za75I6Q5Yu55IGU6aCb5bqf5baY6Zub5YC85aOn6L++5LON5Yy875St6YO/5YSa55+U56e65ICJ5o6Q5Yu55IGU6aCb5bqf5baY6Zub5YC85aOn6KGM5rWK5qGP5oqK5omc5qGy5pi/6Kic5bCO57um55ql5oe/6I245CA+Yzw+Yy88DYKA44Sa57CI5ZqB5ZOY5rmu5Yi+5a+Y5oy876Wt5rCc5YSa54GU6aCb5bqf5baY6Zub5a+Q5YC85Z+k5b2D6LCI5a245Iab6ZuK5Y+E5qiz5oaw5Yi55KOC6Yy877OD5pa75Jye5oKm5Yy874yV54Oi5aq45Jm/6Lum55ql5rCI5SA+Yzw+Yy88DYKA47K35YyA6J6l576y56245Iab6ZOY5rmu5aCK5bSb5rG35aqH6Kmu6J+k5b2D6LqH5a+Y5oW75IW75KeD5pCB5oSa56G65Lut5rmv5Yy876245Iab6a2W5o245J6l576y54Sa57G35aqH6Kmu6K+Y5oyA6Iy876eD5pCB5oSa56G65Lut5rmv5a+Y5o245La55YSa54Gm6I2H6YCc5oGU6aCb5bqf5YC85aOn6L2Z546Y5o+757K35bum55ql5oy8746Q5Yu55Lap55Sg54Sa55Sh5a+W5reb6Zq65IyS5am96Jql5oe/6I+756ic5SA+Yzw+Yy88DYKA47G35aqH6I2i57uY6Zq85IyA6I2P5aeD5pCB5pmA5baX5oi55IC75Ia95Iy877q85bSb5pe+5ZiP5bG35aqH6Kmu6KW75K+P5aeD5pCB5pmA5baX5oi55IC75L2Z546Y5oy877aI5YuO5aeD5pCB5oaw5aW75K+P5Za75K+Y5oyA6Iy874a65Lut5pWA5o245LGw5Y6Q5aW75KSt5o675Lum55ql5rSv6K+Y5o245La55Yy8742c5ouF5aeD5pCB5o2n55m/6Iaw5aiF5Yyu5aW75K+P5Za75Iy877q45K6/5IOi5YO/5YSa56ic5bCO57um55ql5oa95CA+Yzw+Yy88DYKA472D6Kyc5oSa56245KCb5bqf5Y665I2k5rmg5rGw5aWd5qW75J+U57qH5aqH6Lq65Kq45I+v5q+Y5q6h54Sa55m/6Iy877ut5pWA5iA+Yzw+Yy88DZ+877OD5pSB6ISa55qk5Yi55Jm/6Ia65J+U56e65Iu45IC45LaE572/5Yi55I6A5pa75Iy875aM5ZiP5Zu65Imc5oOi5YO/5YSa57G35aqH6LCI5Ymn6J+E5rum55ql5oy877SX6aOC6bmI5ZmA4oG874mt54mt55iA4iA+Yzw+Yy88DYKA47yl5oKx5YC45Iq45LSb5puK5bW/5Z6l576y54Sa57G35aqH6Kmu6Iy874q45JuK5bW/5Z6l576y57CI5baI5Y2k5ZuK5b2D6K6+5aWF5YSa54GU6aCb5bqf5baY6Zub5Yaw5ZuK5b2D6Ie/6JqA6aW75K+P5Zi/6Iy874yJ55W65YSa55mA5baX5qmZ6bGN5bmv5aKd6aq45IC45Ia65Jqk5bGw5bG35aqH6Iy8746Q5Yu55IGU6aCb5bqf5baY6Zub5YC85aOn6JS45La55SA+Yzw+Yy88DYG874+H6ZuK5YSa552/5KqH6ISa55qk5bSb5pe+5beO6J+k5b2D6Iy876ek5bq85aCK5bSb5r2D6LGw5Yi55KOC6Yy874GU6aCb5bqf5baY6Zub5YC85aOn6LG35aqH6Jye5oKm5Yy8742J5Yu55JeW5piI5oWA6Iu+5Yu55Leb6Yy874WA6Iu+5Yy65Kys54645IK45YG556WF5Zu/6Iaw5bON5aic5SA+Yzw+Yy88DaaA4qaA4ruO5but5rG35aqH6Kmu6L2D6I245J2754y877um55ql5qW75ICJ5iA+Yzw+Yy88DYKA442J5Y245KWt5qKt5oyA6KG65Lut5oSa55a75Lq45KCb5Zq85I245La55YyV55a45Kq45Jm/6IyA6Iy877q65ISa57uO5Ye/6I665Kic5Zit5aq45IC45Iy877+d5q+Z5oyD6Kq45IC45JCI5piP5Zq85LGw5Za75Iy874a65Lut5pa75Kmk5YC45JCf5pye5oKm5SA+Yzw+Yy88DYKA46G65Lut5oaO5Y+7572D6K+P5Ymc5p+55Iy876W06LGk5YaO5Y+755q85J+55Ja75Iy876245IyV55a45Kq45Jm/6Kic5Yy874yV55a45ISa56Ot5p+c56q45IC45K+Y5pm/6Iy877Cu6Ji/5Zq85I245Lum55ql5oa95Iy875Kn6Lu45LeU54Sa54yV55a45Lq65IyQ5ZaA5pCB5pCZ6aCX5oy877Sv6I+w5YeW5r2I542n55Cf5o+D5Yi+5Yuc54C45I255Jm/6CA+Yzw+Yy88DYKA45Wz5pin55+K5Z6l54Sa56KN5pGF5ZWz5qCX5oWA6J6b5a696JqA6a6Z5pu65IC45ISa56KN5pGF5Z+k5b2D6Iy875CZ6YOd5oSa54qu5rmJ54mc5rSX6bqp556l57u45Kic5baE572Z6Ja75Iy877G35aqH6LCI5bOD5pSB6Lum55ql5pmA4oKA45Kn6Lu45K+Y5o2J5oy877q65ISa56mI5ZyD6Je+5beO6K2W5o245Imc5qqP5bSv6IWA6JaI5oy875Kn6Lu45ISa55KB5riw5qOt5p+c54mc5qGy5ra55Yy874yV55a45Kq45Jm/6Iy876W75ICJ5piA4iA+Yzw+Yy88DYKA446Y5oeW5o2J5YSa57uO5Ye/6Kic5ZmV55y/6Liw5oy874Sa56W06LGk5Y+757K35aq45IC45Iy8746Y5oeW5o2J5ZCI5piP5Zq85J+55I6Y5oeW5rCO54Sa55Ow6ICJ5oi55KOC6Yy874+d5am05YSa55eK5rmv5Z+K5ZCI5o6Y5oeW5qq45Iu45Jye5oKm5SA+Yzw+Yy88DYKA44+H6ZuK5YSa54+d5am05ZeK5rmv5Y6Y5oeW5qq45Iu45Lq45JCI5pq85IGT5amJ55u65IC45ISa56Wd5ou45JmV55eB6ay75Ja75Iy874e754S754Sa54+d5am05ZeK5rmv5Zu65Jm/6LWG54aA6YyS5b2R5amk5aic5Zit5Y6Y5oeW5o2J5bCO55GP5Zq85Lux57q65ISa54OF5aq656q45IC45Iu45Iy874un5YC85bCW5o2H6Zq85LGw5YOF5aq656q45IC45Iu45Iy874u45Iu55L2D6IOd5oSa54WA6Iu+5YmE54i756ic5Yi55KOC6Yy874+d5am05Ya65Jm755O+6Lux57q65Jye5oKm5Yy874yV55a45IG+5ayc5oSa5zOPneWptOWMgOggPmM8PmMvPA2CgOOFgOiLvuWEmuecg+avj+WbuuSJnOatuOSjj+WFm+mMuOWJjuixiOequOSAuOSMvO+0vOSZvOSEmuePu+e+m+aquOSAuOSMvO+zn+evt+ihjOaEmuewiOWHgemKuOSvt+ifiuWQiOaSp+i7uOSEmuejreafnOequOSAuOSMvO+6uuSEmue3oOaAuOSCkuipuOaFgOiLvuWbm+WsrOe8vOS7seequOSAuOSQiOaYj+WvmOaqj+WfueScqOWauuSqkOcgPmM8PmMvPA2CgOOFgOiLvuWMuuSsrOeGuuScg+iYiOawluaNh+m7see6uuSvmOaMgOiMvO+tgeeBr+aavOSNuOS/vuSzjeWMvO+tgeeBr+aavOSHjueCpuanpOWMleeWuOSLgOWZv+iIueSjgumMvO+Dv+W4oOaFgOiLvuWJnOaAieaEmue7juWxpOWPu+e+m+a5peWGuuSem+W6pOWMvO+TveSruuiEmuecqOWauuSqkOeGuuSujeagjeWfiuWQiOaGr+iPhOaEmuezkOe/peiFgOiLvuWMuuSsrOeMvO+ZgOW2l+aEmue0uOSNmemLjuezpeWonOWcnuaCpuWMvO+cqOWauuSqkOeCpuWUr+YgPmM8PmMvPA2CgOOZgOW2l+aEmuetgeeBr+aMleeWuOSGsOWfpOW9g+iMvO+fiuWQiOaRv+iljuahrOawleaJnOafueSPneWptOWMvO+ZgOW2l+aEmuehuuS7reaRv+iljuahrOawleaJnOaPu+e+m+afueSNveSJuOSZv+iKuOSFmemeruUgPmM8PmMvPA2fvO+XkOWSp+i7uOSEmueLuuSFleavmOaavOSYv+isu+S5peWjgumMvO+FgOiLvuWLueSGkOefnOeMkuWFgOiLvuWLueSQuuaLp+WMvO+FgOiLvuWLueSJhOeIu+e6uOSYj+WVnOifiuWQiOaJnOahsuasu+S5peWpruiMvO+FleaYj+WbuuSQn+aEmuewjue6h+WUgOmtuOS6uOSgm+WFgOiWiOaIj+UgPmM8PmMvPA2fvO+ikeWGuuShuuS7reaxsOWUgOmtuOSonOWsu+S5peWcnuaCpuWMvO+LheWHiOWKvOSOiea3woWo5a6m5Zu05oO45Yy876Oh6L2K6LWU57eb6Yy875yo5bCF5a+W5qGN5bfCnKjlmrrkqpDnhJrnrbjkibjkj53lqbTljLzvkqfou7jkhJrnk7DogInmID5jPD5jLzwNgoDjkqfou7jkiLnkgLvkiZzmmrzkjIfpqpPljLzvq7zmqIrlj4jmuLjmr5jmjbjkn7nkjLzvtK/oj7Dlr5jmjbjktrnljJXnlrjknq7lsI7njLzvr5jmn7nks4Pms4PmjLzviZzmobLmtrnlnJ7mk7vnID5jPD5jLzwNgoDjl63ljZDlhJrniYLmn4bnm7rkgLjksIjlrJDljIfpmb/orLvklrvkjrvkn6TlvYPosbflqofojLzvop3pjIfpqJzllLDmkL/okqfou7jkhojloIfliZzmmrzkmq7ljbjktK/ojLzvurrkhJrnn5jpsrTmrbjkrLvklrvksIjlh4HpsJzlkL/ovaXljpDli7nkhZfnj53lqbTlhrrkl77lqJzljLzvtYXlq6PlhJrnpZ3mi7jkmK3luLnlgrjlgbnnjrvkn6TlvYPoqrjkoIflmb/ojLzvgJ3ns4PmmL/opZ3mrJzmlrvkID5jPD5jLzwNgoDjh7/otK/orJDliZzmobLmpZ3mjrvkn7nku6bnmqXmjLzvmoDprpnmiL7lvYPpl63ljZDlhJrntYXlq6PlqrjkoIflmb/ojLzvpZ3mi7jkrpfpID5jPA==