第512章：正反教学（2 / 2）

PmMvPCBwcC5waHVmYW54LnovLzpmY2dndZq874iJ57qc5ouJ5oKA43BwLnBodWZhbnguampqLy86ZmNnZ3WavO+Zq+esnOaPl+i2lOa3r+g+Yzw+Yy88DZ2A4p+874a65LKc6bSa5q+Y5pOB6b6a6ay75JGI5p+874i55IC75LK55aic5bq65Ju65Jm/6Iy875iu5aWM5oeM5pyA4j5jPD5jLzwNpoDipoDirbjki7nkm7jkkaDmqJzlj5fohJrnn6Xnn6XnvKzpvKzpqJzlo63murrkpL7ngLjkirjksbHlqJzljLzvr5jmhJrnk4HppZ/njbjkrLvklrvkjIDotoTnjLzvlLrlnpvlsKPlp6Tls43li6vnurrkmb3ktoXlPmM8PmMvPA2dgOKBvO+YkeW8r+WHjOaMvO+vmOacgOI+Yzw+Yy88DZ2A4oG877Sg57uH5aq45ISQ5aq45IC45KWd5pGI5pm754i55I6A5pa75Iuc55GI5oG876iK5Yyh6JO95Iab6ZiR5aiF5Yy876iK5Yyh6KqH6IGn57iu6I245Iy874q45J+36JGI5pm7572D6Yy877eg5o6A5qGu54245Iy875el5Yic5YSa56y75Ja75KWF5bC16Ky75JGI5ryv5ZW85Yy875uK5Y+E5qiz5oSa56y75JGI5qOV5oaI5Y+E5oWV5qic5a+Y5rGw5ay75Ja75Iy875Wz5ryc55ya6aq45IC45ISa57q65IyV5q+Y5rGw5Zm/6Iy876uB54C85YGm6I245JyA4j5jPD5jLzwNgoDjpZ3mt7XotpTmqp7miormurrkl7zkj4TmuqTni4nmrIrmlrvkjLzvi7jkgLjkhrrkn6/lgqfos4/lprflmJHlvK/lh4zmn63lhr3kPmM8PmMvPA2CgOOEmuerv+W4uOWenemvmOaYv+imuuWfgOmUuuWNj+WMvO+SiOamreiqnuasiuasu+SWu+SMvO+GuuSMheaQreWLuOSAuOS6uuSXvOQ+Yzw+Yy88DYG877Cc5aic5bu/572K5pm756uj5ZiI5o+w5YSa57OF5bqc5pGP5bqH5YqK5qWO5rSb54y876Wd5re16Lm85baE55+r55Gg5o+w5bWj5oC45Lq45KCb5T5jPD5jLzwNgoDjio/ljbjkpZ3mr5jmmL/ohr3kjLzvsKPlgLjkvJDlp6TlmJHlvK/lh4zmn63lPmM8PmMvPA2dgOKBvO+LuOS0tuicgOI+Yzw+Yy88DYG877OF5bqc5qKd6bCc5bCI5am46Kuj5ZiI5qq45IC45Imc5rCO55GP5Yy875mA5baX5oSa57Sk5Z6b5Za75Kic5bGw5YyA6LaE5z5jPD5jLzwNgoDjiLnkgLvkhrrksIjln6/liafor5jmj4PlvaXlgJ3npY7mjLzvrIPnsIHnq4Hnna/nuJHmhrrkuJHmmJHlvK/lh4zmn63lPmM8PmMvPA2dgOKfvO+IueSLuuSsnOa5gueIueSZv+ixsOW/lemRp+eeuuWZv+iMvO+YkeW8r+WHjOafvO++mOaOmOaIueSZv+icgOI+Yzw+Yy88DYKA47Sw5r6b6bSk5YC45Iy876yD57CB57CI5Yuc56y75Ja75Iy876Wd5oe/6JGH5Z+55Kuj5ZiI5oSa54u45Jm95Iy877WG5YWD5ouc54uc57uO5Y2J5Yq45JiR5byv5YeM5p+t5T5jPD5jLzwNgoDjrIPnsIHnhJrnmb3ki67mhqDlq4Hnna/nhqDlgLjkiZzmjIfpsJzll57mqJzlsIjli5znsbDlgJ3npY7mPmM8PmMvPA2CgOORkOW5luaEmueAneeHjOaro+WYiOaRkOWLnOeEmueDv+WFi+aWu+SMvO+jhOaAuOSYkeW8r+WHjOafreU+Yzw+Yy88DZ2A4p+874i55IC75K+Y5rm+6KOC6YG874uc56u/5aC95Iy875iR5byv5YeM5pyA4j5jPD5jLzwNgoDjrLvklrvkl4zlnrrlv4nltJvliLnkjoDmgabojLzvg4DonYDmqJzlvYPptJvngLjkmJHlvK/lh4zmn63ljLzvirjkr7fogLjkPmM8PmMvPA2CgOObuuSAuOSTieazqOeOieazqOeBpuilu+SAieY+Yzw+Yy88DYKA47q65Kq45Jm/6Le16I245KK45K+P5Za75Iy874a65JO+6LGw5aWd5oq45K+Y5oGm6Jm/6Iy874+E5ru45IaH5Y245L+L5piR5byv5YeM5p+t5amu6LmC54mc5p+55LmC54C45Jm/6D5jPD5jLzwNn7zvnJDmiLnkjoDmurrkgY3libjkjLzvsbHlnJDmr5jmmKLprpfphr3kPmM8PmMvPA2CgOO3oOaAuOSNuOS6uuSEmuexseWbv+i5ieaAuOSKuOSft+iMvO+Fo+imreavieWoheWvmOa9g+m6uuS5ieaAuOSZv+g+Yzw+Yy88DYKA44a65I+w5Zeu54245J+55KGo5oSn6I285J+Y6Yy877Sv6KWd5pO95LuA5oy877q65IGN5Ym45Iu45KmJ5T5jPD5jLzwNgoDjiJDlhpvptpfmhoflgabou6Hphb/ljLzvt4/liJDlhpvpr5jmsbDlrrrkqaTljLzvk4HppZ/nvYPpgbDourjkoJvlPmM8PmMvPA2CgOO7juW6h+WZv+W2tei9g+m2ruWnpOWMvO+lnea3teiGuuSuuuSEmue5gue5gueAuOSppOWAneePmumMvO+MgOi2hOc+Yzw+Yy88DYG874qV5but5oGA6a+Y5p+55Jm/6Iy874Gq57KG5Z+Y6aiD6aGC6I+w5YSa56WX5rO55a+Y5peu57Gw5Yy877qc5ZiI5q+Y5omF5Y245D5jPD5jLzwNgoDjhJrnpZ3mi7jku7TmvYPor4/ljbjkua/lnbvnr5jmo4LpjLzvirjkupzlmIjmhrrksIjlhJrnn5znjLzvhYPmi7rkhJrnh47ngqbmj7Dlr5jmvYPpjLzvhYPmi7rkhJrntK/olrvkPmM8PmMvPA2BvO+ht+avieaonOWvmOaZv+iXjOWeuuWXvuWJp+i9g+mro+WYiOaEmueLuOSpieWJnOaAieaMvO+YkeW8r+WHjOafreWGuuSkmemOueSgh+WMvO+FhuWonOWDqOWMuuScoumsi+aFjOWMvO+Hv+iNuOQ+Yzw+Yy88DYKA47SY5Ya65K2X6bON5Yur57au5aek5Yy876WW5q2u6L+V6a2P54y65D5jPD5jLzwNnYDigbzvgbzvhrrkma/mpa/olLrlvYPpqrjkoIflrLvkoL3kjLzvl7vkk4nmhJrnn5znr5jmgabomb/oqJzljLzvpLvkvZHlr5jmmb/ojLzvtJjlrZfpkYjmmbvnvYPpnIDiPmM8PmMvPA2dgOKBvO+EmueTieaIueSZv+ivmOaNuOSXu+SGveSMvO+GuuSvg+aOh+mMh+mxseWonOWsu+SWu+SfvO+eiuWLkuW/hOWLuuS6h+WvmOaBpui/lemSjuaxkuWfvO+MoeiLkuWZv+icgOKavO+lnea3teiZq+ezjeWLq+ero+WYiOaPsOWJnOaxsOWAneeljuY+Yzw+Yy88DYKA46C95Iuc54uc55GI5oy875GI5ouc54uc56C95Lau5aek5T5jPD5jLzwNgoDjj4TmkLnkjbjkhJrnuITogLjkg6jljLrknKLpv5XprY/nr4nlrY/njLrknYDigoDjkY/luoflsbDlrLvksZLljLzvsIjlgLjktJfptpfmia3njLzvh6TlhoflvaXlmoHlnIDiPmM8PmMvPA2dgOKfvO+bmOWeiuWLkuWlneaLuOSljua0r+ihsuaYkeW8r+WHjOafvO+1huWFg+alleWMvO+/lemtj+evieWcoumcgOKavO+lneaHv+i0m+Wro+WYiOakvueAuOSzjeWLq+eMvO+Mh+mtj+ewiOWem+U+Yzw+Yy88DYG875eu55yD6KWV5Ymc5oy874u45LWG5YWD5oSa56iZ5aat5qGy5pi/6LmW5rmv5Yy876K055yQ5rq65IGN5Ym45Lm+6Jm/6Ky75Ja75Iy874W55Jqk5YGM5pqd5b2D6Lq65Kq45IGN5Yy65Ky75Ja75Iy876G/5I245LGw5ayc5rmg5oyH6YO/5baE572Z6D5jPA==