86、学算术（2 / 2）

PmMvPCCCgOOsu+SyuuSAkeWytua7heWlkOiMgeeCseatu+enu+eavO+0r+iBpuidr+iJnOaFgOicveQ+Yzw+Yy88DYKA46KR5Yuc546H6aic5ZiI5YCd57Sb5aiF5Yy875eb57q85YSa54+w5Y+w5aek5aek5ZCt5bau5YC45Jm/6D5jPD5jLzwNgoDjhrrkirjkub7oi6LokYTohJrnjofpqJzlmIjlsIjlq4nmsbDljLzvq4nmqqjmgLjkhJ/mqp7mjLzvkK3loa7ngJ3nkI/mjLzvqp7mn7rlhJ/mo4LphJrnqY7nrLvklrvki5votKnpmbvnjLzvpZ3mpbvktJvngLjkh7/ok4rmjIfpvZDokqfojrvktoTngarnlrvkjLzvgJ3ntK/oPmM8PmMvPA2dgOKCgOO7reaEmuegveSdpeeGuuWMvO+KkeWRkOWwteiUpeWMvO+uguetnumAnee5gueXvuW6uuSEmueCuOWet+Wmp+equOS0leaMvO+OuuSzh+ialOeMvO+0pOWWoOegh+WKuOSUieaapOW6uuSEmuegveSogeaZu+eXvuWYv+i9g+ivj+WIvuWMvO+gm+W7rea2qee9v+i6uuShsuaGveSenemMvO+gveSMgOiMvO+7u+SKuOSsqemwtei7u+S7uOSavOSUp+WpnemEmuewluaJnOaavOSxsOWsqemLq+eppOWOmOaMvO+KuOSXoeinpOWwiOWUieaMvO+0pOWXoeiEmue/juW0sOaFuOaonOW7reaNi+a0pOWWoOeAuOSOh+monOWYiOWgveSKiuaonOWwjuexsOWRiOacgOKavO+lnea0pOW3teisiua2hOeBqueMvO+0pOWJnOeAneeOveSnl+advuSxseWSnemLruWMvO+ikeWAneeLnOeQreW3reeGuuScgeW9g+moheWfueSQreWpreWquOSgh+U+Yzw+Yy88DYKA47Sv6I6H6aic5ZiI5Z2A4p+877eg5oi55I6A5pGI5oqK5r2D6IiP5aC95Iy874a65Lq65Ime5qSG5Yy874a65Lq65ICd5oy874a65Lq65JOJ5peu57Gw5ZGI5pyA4j5jPD5jLzwNnYDigoDjv4Tli7rkt77lurznhJrnh7/osrnltLnloIflmb/ooL3kjLzvr4nmsI7mr4nmsI7mvaXlvaXlsbDlrLvksZLlo4LpjLzvjofpqJzlnIDimrzvtK/ojLzvpZ3mt7XohrrkmavnjLzvirjkkK3ljKHmhrrksIjlvpTmu73ou73ol6LniormsbHlkp3pi67lPmM8PmMvPA2CgOOVveS7u+SZu+eMvO+xkumEmueMh+mTuuWRh+mPsOWavOSUp+Wpnem/juW0sOaFuOaKiuaMvO+Hv+izg+ahsuavj+WOh+monOWYiOWMvO+vt+iflOe6uuStluaOuuSCvOWgl+aMvO+itOixkum6uuS6pOU+Yzw+Yy88DZ2A4p+876KR5Zm754245IGm6JGI5pyA4j5jPD5jLzwNgoDjtK/osbDltoTngarnjLzvkK3lt63nhrrkjYvmn7nksbHlkp3pi67lnYDigoDjqIrlvYPojbjkjLzvlKznmb/ohJrnmrzklKflqZ3pv47ltLDmhbjmhr3kjLzvv4vmpbvkr4/loL3ksZLphJrnnrflpqfnjLzvjofpqJzljLzvsZLpkonmhKTlm5vljLzvjIfpgaLmtKTlqJzmjLzvjIfpnbznmaLljLzvjIfpkK3lvKnmhJrntq7lurrkq4jljrvkjLzvrprnmaLlhJrnurrkkonmjLzvtq7lhJrnurrkhIrmjLzvl53lh7jkgY3li7jkjbjkhrrkmrXojLzvtKTljIfpgrjlnrflpqfnqJzloL3knIDiPmM8PmMvPA2dgOKfvO+xkumPjualr+i7tOaxsOWMvO+tpem/oemAuOSsu+SgveSDkOWxsOWRiOa6uOSlu+SMvO+npOW4hOivmOafnOevj+W2ruWoheWsu+SgveSMvO+ikeWGuuSDkOWNuOSYv+iQreWBgOicgOKavO+0r+iEmue7gua7guaUsOaOh+monOWYiOWMvO+QreW3reeGuuSplOeKiuaAuOQ+Yzw+Yy88DYKA46mJ54u55K245Iqb5YSa57G35aqH6K+Y5qiF5aOC6ZO95aqP5Za75Iy877GS6Zed5Zqk5Ye45Im45Iy876W75ICJ5oy874Sa57q65Kq955e+5aic5a+Y5oy876iA5rq65JKA5qmk5a+Y5oy877+E5Yu65I2n55m/6ISa57K55aic5bCO57G35aqH6JOB6aWf55+55Iy875KG6YW45p+k5bO26JCt5ZGE6ISa55a75Iy877aE576Y5j5jPD5jLzwNnYDigoDjrYHnsJzlm6/oqaTljLzvsrflurjkjbjkurrkjLzvsZLpvZHlsLnkhJrnkYjmr5jmo4LpjLzvhJrnl77lpa/okYjmr5jmsbDlsZLplKznmb/oo4LpjLzvkYjmr5jml77lqIHmjLzvlq3nv5TmqIHmjbjkurrkrrjlo4LpjLzvhrrkmI/llq3nv5Tmhr3kjLzvlq3nv5Tmr5jmhJrnjKHop4nmqJzlsI7nkYjmjLzvkYjmk4nmjIfpu63mgL7lrLvklrvkr5jmsbDljLzvkYjml5bmrLvklrvkr5jmsbDljLzvhrrkjY/ls7nlkK3lhojlhq/opZ/nrrjlo4LpjLzvhrrkmI/llq3nv5Tmia3nqaTljpjmjLzvurrkl5bmqaTlirvkkYjmjLzvv4Tlu7TmhJrngKHolIjoirjklrDlgIjlr5jmo4Lpn7zvl5Dlv4Tlu7TmiLnkgLvkr5jmo4LpjLzvhJrnsrnlurrkjafnmb/orLvkkYjmj4Plk4HppZ/noL3knIDimrzvhrrkkaznsbDltoTngarnjLzvnIHlgLjkkK3lt63njofpqJzlmIjlIJ2A4oKA476s5qyF5a+Y5qOC6ZyA4pq877Sv6JqZ5pGQ5Y+L6J2A4oKA46Gx5qq06K+Y5pm/6KC95JyA4j5jPD5jLzwNnYDigoDjr4/ljbjkv4vmnp3pkYjmjLzvsZLplKzno4LpjLzvkK3lu4Llqrjkr5jmkYjmqKHoo7vkjbjkmb/ohr3kjLzvl53lvpnnrYXlhrrkj47mjLzvtK/oobLmna/ojLrkkYjmjLzvvqzmkI3mgabogJzpt4jmsJvlq7TohJrnv47ltLDmhbjmjLzvhrrkpZ3mnpvlg7Donrflv6Xot7XmjrvkoL3krrjlkYjmjLzvgabos4PmoL3kjLzvtLnlvZvltbXoqrjko4LpgoDjhJrnjYDovaXlr5jmkYjmurjkpbvkrZTnoL3kjLzvmpnmkZDlj4vonIDimrzvv4TluojlgJ3nlInljLzvpZ3muoflvLHpprjlkK3ll53lhrrkn4zmjofpqJzlmIjlPmM8PmMvPA2dgOKfvO+/hOWLuuSEmueOvue2heWoheWkuOSNuOSZv+iMvO+tm+W/hOW8ueWquOSgh+W6u+W/juW0sOaFuOaonOWRiOaMvO+RiOaZu+eMvO+Ah+WyueWNuOS/i+afueSgveSMvO+Emuext+Wqh+igveSOuuSeseWvmOaNuOSIj+WxkumUrOejgumfvO+bmOWyueWMsui4m+eEmueRiOaQj+agveSMvO+xkumvmOaEmueIsOionOWwjuesu+SxkuWMvO+otOigtOeEmuegveSPhOaos+aMvO+Oh+monOWYiOWcgOKavO+Nk+WYv+iWu+SUr+azn+mwo+WEmueyleaQreWFlOmyleaMvO+ikeWRuOSIj+WRu+mIj+Wxt+Wqh+iCqumMvO+ZgOW2l+aEmueet+W/pei3teaonOWWu+SXvuWwruiYv+iameaRkOWPi+g+Yzw+Yy88DZ2A4p+876C95Jm757GS6YqK5qWv6LGw5ZGI5oy876665IK85oSa57+V6aC95Lq45KW75KC95JyA4pq876Cs5qq45IC45KuP5aOC6Yy877SY5YSa546H6aic5ZiI5T5jPD5jLzwNgoDjtK/ompnmkZDlj4vonYDigoDjpZ3mi7jkmZXnkYjmmbvnsZLpiorml77loL3kjLzvv47ltLDmhbjmqJzlmZXnpa/ohpDnsbDlg67ljLzvhJrngKHogJ3nvrLmr4/lsZLpm7rko4LpjLzvu7Pns4XlobLmiLnkjoDmnIDiPmM8PmMvPA2dgOKfvO+7s+ezheWlleWJnOagveSft+iMvO+TuuWRh+mPsOWEmueavOSUp+Wpnemsu+SRiOaMvO+ameaRkOWPi+iMvO+GuuS0r+iNhuWMvO+GuuStpemDkOW6uuSpruiNuOSpruiYv+icgOKavO+0r+iQreWFlOmAneeyleaOh+monOWYiOWMvO+wo+WAuOSEmueqleU+Yzw+Yy88DYKA46KR5Y6H6aic5ZiI5YCd56+b54y874Sa576L5b6L5a6b57Sb54y8762l6YOQ5Y245JqZ5pGQ5Y+L6J2A4p+874a65J6Q5YGn55m7572D6aiF5Yy876y75IOu5YqK5oek5YaH5aC95Iy877Sv6KyQ5Yi55I6A5pGI5oy874+G6JGw5oKE6JGw5oSa57+O5bSw5oW45q+Y5qOC6Yy874Sa56Wd5oSK5rau5YSK5raX5pO95bqX5pGH6bmb5q+Y5qiF5a+P5bGS6ZSs56OC6Yy877+E5Yu65ISa55GI5rOF5Y245Ii55I6A5pyA4j5jPD5jLzwNgoDjhrrkmabpr4/lhJrng5DljLzvtKTlqKrpgJ3ngpLljLzviYLogJ3ng5DljofpqJzlmIjlnYDin7zvv4Tli7rkiLnkgLvkrLvkoL3ks4Xlmb/onIDiPmM8PmMvPA2CgOO0pOWMh+mXoueEmuexkOWxkOWGuuSwiOW+lOaxsOWMvO+GuuSUieW8semKiuaEmueGu+eGu+eUu+SUu+SMvO+lnea6h+W8semmuOWQreW3reeAuOSGuuSRjOaMvO+EmueDv+WPu+eNuOSrvOaameaRkOWPi+idgOKfvO+GuuS7juWqk+WwiOWxkumUrOejgumMvO+XkOWRiOaJr+iKkeW9g+igveSMvO+ikeWxkumXneWapOWHuOSJuOSAneeYreWMvO+Mh+mTuuWRh+mPsOWEmueavOSUp+WpnemMvO+ZgOW2l+aEmue7rea6l+aRh+m5m+a2l+aTveWMvO+0r+iskOWIueSOgOaRiOaMvO+7u+S7uOSYiOWcgOI+Yzw+Yy88DYKA44a65Iq45LOF5Zm756iX6YSa57+I5qiO5YqK5rGw5Yy875qE6KyK5oC45JqZ5pGQ5Y+L6D5jPD5jLzwNgoDjm5jllLDmrYfoqrjkhrrkg5DlsbDljbjkr4/ljLzvmabpgJ3ng5DljLzvrYfogJ3nu5fpjLzvipXlhZTpq4Hno5PnhrHoPmM8PmMvPA2dgOKCgOOvmOafnOeGuuS6uuS7reath+ivmOafnOeMvO+ugemAuOSugemUsOath+iZv+iKiua0sOaynOmxiui5gue3luWntOe2teiMvO+IpuWVveScgOKavO+ikeWrj+WEmuevlueRj+WonOWjreaMvO+TgemzkeWEmuexhemjk+eGseiBp+i7l+mGuOW4gOmOneaBo+WUmumMvO+EmueppOWshuWnpOU+Yzw+Yy88DYKA44a65Lm+6Ji855Ct5YmC56SF552q54Kc6LCI5aSM5p+55Iy877GK5oC45IyH6YCA5oC+5bGQ5bGQ5YqK5oy877+E5bOH5b+d5o+w5ZqE6Jub5aq45Ia65L+L5rG35aqH6Iy874Cd56+r54y8762l6Zub546Q5YCc5pqZ5pGQ5Y+L6D5jPD5jLzwNgoDjhqfonYflobrku63mjLzvhJrnqb/ki5vol4vnjJLlvbPmv4nmjp3mjLzvhrrksIjltpTms43li6vnjLzvt6Dmmb/okIjmkLnkraXps7HnjLrkv6HpgLjkg5DllLDltoHljLzvraXps7HnvZnnhrrkr4Pmg5DljLzvlaPomLzku7Tmn5TnjofpqJzlmIjlPmM8PmMvPA2CgOOEmue8vOSck+emi+ift+i9g+m4hOiMvO+lneaXoue3teivq+eMvO+tpemNp+eZv+iGuuS7heiDkOWsu+SQreWpreU+Yzw+Yy88DYKA47iS6Le16IC45Kic5YCQ5rOx572Z54yS5ZCt5YGz57ew6J6L6ISa56Wy56yG56iU56+Y5r2D6Zqk5aek5Yy8762l6bOx57+h6YC45IOQ5YGm6Lq65ISa57+O5bSw5oW45oy876W75ICJ5j5jPD5jLzwNgoDjhJrnraXpv6HpgLjkmoHln6TljbjkvYPptq7lurrkuLjlu6/ljLzvs7HnhJrnpJbmpLjkgLjksIjloormmYDltpfmiZzmjLzvk5jmua7ljbjkq4jluYnns7Hnp6TluYLnoorms4PmgabojLzvkbDls7HnuZbml4zlPmM8PmMvPA2dgOKCgOODkOWirOacluWRiOaMvO+9peWquOSZv+iMvO+tpemzseeMuuScgOKavO+GuuSlnea3teirj+Wljua0m+eEmueZpumMvO+Emuelnea6h+W4kui3teiAuOS3teiAkOazseenpOWMkuWQreWBs+e3sOiei+iolOevmOaBp+iMvO+lneatpemzseeQreW3reeAuOS3teiRjOaMvO+vjeiIueSAu+SEmueWjeWMh+mmiuirkeiEmueameaRkOWPi+iapeaFuOaNuOS4keaMvO+EmueiruWageWlneavmOaOh+monOWYiOU+Yzw+Yy88DYKA462l6Zub55Ct5amt5aq45KCH5Zm7542J5oy8746Q5baE54y8762l6bOx55ei54C45Ia65K+r546H6aic5ZiI5Zm754iF5ZqZ5pGQ5Y+L6D5jPD5jLzwNgoDjopHlgJ3nn5jllZLljIfpkK3lhZTpqJzlo63mjLzvvLHpprjlhJrngoPniYLopYXprprnjLzvsonokKTokIjmloLnmbvnj7vnsrflkK3lhZTpgLjkjLzvlpvnhZTphJrnirjkkK3liYLnpIXnnarngpzogLzlrY/mPmM8PmMvPA2CgOOikeWtpembm+eameaRkOWPi+iuuOWAneeZv+WonOWjreaMvO+/iOaojuWGuuSbv+ifueSxseWSnemLruU+Yzw+Yy88DYKA44Sa57WR5bWR5ZC55JC55JCt5bau5YC45Iy8746Q5au66Kic5Z+36L2z5r+J5o6d5oy877Ol5bqX6bau5aqH6ICd57ae5pi/6Iq45KmC6Iy874a65KWd5pu/6LC16Jak5aiX6Y675LGx5ZKd6Yuu5YGn6LGw5Yy876KR5aWP5YC45LSv6Jqk5bOD5pi/6I6H6aic5ZiI5T5jPD5jLzwNgoDjtK/ompnmkZDlj4vonYDigoDjopHlqJTnmr7ngJvpvpnniZzmkYjmjLzvqrjko4LpqJTnjbjkkYjmn7zvj4bosYroqpvpnIDiPmM8PmMvPA2CgOOnkOWgm+WfjuWEmueNh+mIueSjgumNuOSfueSTn+ahseaUsOa6qeeMvO+EsOWvieWXj+WinemNieWRhOi1lOeonOWQneWppOW0leaolOeNuOS/hOWZv+ionOWvmOahruiwvOSjgumMvO+gm+WfjuW+ieaXvuWenem0r+icnuaCpuU+Yzw+Yy88DYKA442A5ZGw5Zqk5ZOB6aWf54245Ia65L2l5Yy876Wd5pCt5Yi+6Iq45Le16JSv5qSC6K6a54y876eQ5ZKd6bS55Ze+5b6Y5oyy6Lib57Sv6I245Iy874K85bau6Je+5Ymn6Li45Y+755+55LG35aqH6Lml5T5jPD5jLzwNgoDjhJrnvZnns7nkvZnns7nktoXlpLDljLzvpILorprnhJrnmpnmkZDlj4vojLzvmYDltpfmhJrnvaXlgJzmpILorprnrLvkl7/ljJDls6Xlr5jmpZ3mkZDljLzvkpnms5jpqqTlp6TliZzmobLmqaTlrIblPmM8PmMvPA2dgOKfvO+hsuaPhuixiuiqm+mHv+iolOeMvO+Bk+WGpuWWjOWlleWEmueolOeMvO+GuuSuuuSCvOaKtui/lemKtuivmOa7u+S7uOSvieWPi+iMvO+wjueRj+WRiOaRv+iAnOacgOKavO+GuuS0t+W0mOWEmuext+Wqh+iPveSNuOShruexsOWMvO+Yv+e5gueJnOa0t+W+sOWPsOWEmueNkOWrjuiMvO+onOWNuOSxseWSnemLruWwjueRj+WMvO+/hOWInOWAuOSGuuSbnOagvOWzj+Wmt+WOkOWNieWOh+monOWYiOU+Yzw+Yy88DZ2A4oKA44+H6YaV5aC95J+36IGm6Iu65Imc5oSa55+c56+Y5pGI5oy874qV5amk5Yq75Iy876eQ5ZCd5ZyA4pq877Sv6L+I5qiO5YCd54eM5pqZ5pGQ5Y+L6D5jPD5jLzwNnYDigoDjipXlhbjlvaXlpZ3mt7Xoi5znr7zkr7zkmIjlnIDimrzvkK3lt6DmhJrntLDmo4/lgbXmr4nlgLjkjLzvkK3lt6DmhJrnlrvkgJ3ni5zni5vol4vnPmM8PmMvPA2CgOORj+W0pOWLuOSAuOSGuuSpkuauvuWMvO+KuOSol+mgnemCh+iLieaKiuaYv+iOh+monOWYiOWMvO+Anee0r+idgOKfvO+/hOWLuuSlleWVuuWwiOWMvO+RiOa+ieaonOW0pOWkuOSppOWJuOSgveSMvO+QreW1mOmZv+iEmue/juW0sOaFuOaonOWNuOSRiOa0r+iskOWMvO+ameaRkOWPi+iMvO+Xm+ezjeW4peWenemMvO+ki+W3ruaujOeLuuSgl+acgOIggoDjhJrnvLzkoYrluYnnhJrnjIfpsb3ltZTnn7fosbDljLzvhJrnronmk4nmjLzvkK3ltJ3pv5Xpr5jmiI/ljLzvo6HorprnhJrnsonov7vnm4bltrvkgJ3nv6nnlrvkjLzvhrrkurrkhJrnpqvptpfmgJzmv47ltLDmhbjmqrjktJXmr5jmgqbmp6TljofpqJzlmIjljLzvhJrnqaTlrIblp6TlPmM8PmMvPA2CgOO0r+iameaRkOWPi+idgOKCgOO8semmuOWDkOWgveS3r+ippOWKu+SMvO+lneabv+intOe2teiMvO+7u+S7uOSYiOWcgOI+Yzw+Yy88DZ2A4oG875mm6Z+c55yA4pq877Sv6LGw5ZSw5qOP5YC45LqH5b+V6Yy875Ct5bu86YC45Ia65IWX5Yy877q65Kq45KWd5pu/6LC16IaR5qek5YeR5qek5aKd6Zak5Yy877+E5Zq85IC45Ia65Ie/6Iy874245Jm/6D5jPD5jLzwNgoDjub7ogLjksIjlvpTmhYPmi7rkhJrni5vol4vniormiIXlvYPoqo/ljLzvtpfmgprmPmM8PmMvPA2CgOOFg+aLuuSEmueriOWJnOaYv+i5peWppOWKu+SMvO+Hv+iNuOQ+Yzw+Yy88DYKA44+65LS35ZGT5a+Y5p+c56+P5Yy874Sa54OQ5amk5amk5aic5bCO54+m54uu5Yy876W75ICJ5oy875SA6aWd5omc5qaP5Yy875WX56S85ISa54q45Ku66L245I+w5YiZ6Yy877245I+w5YiZ6Ye/6JOJ5omc5qGy5pqu5a+C6I+m54uu5Yy875OB6aWf57ml5Yy875S45IyA6D5jPD5jLzwNgoDjr7foqoLpirjksLXol77lvYPor4/liZzmn5znmL/oi5vol4vnjLzvu47li7jkvovljYblmKjlkaflj7DlhJrnvbjkj7DliJnpq4/lqrjko4LpjLzvpYDmgJ3nvbPmv4nmjp3mqoDmjbjkPmM8PmMvPA2CgOOikeWppOWJuOSGuuS3l+mztuiztuiMvO+Mh+mTgem0sOaLuOSonOWLjuWZu+eMvO+JguibieeXneW3geW5peWZu+eGuuS6uOSPu+e+m+aYv+iMvO+gveSEmueMh+mmueSMvO+0r+iDv+WameaRkOWPi+g+Yzw+Yy88DZ2A4oKA46KR5b+h6YC45Ia65I2P5qCL56CL54y874+95ImN5pGI5pm754y876aV5b245I+w5YiZ6ZOJ5oiP5amk5Yq75Ja75Iy877mm5YSF5a+Y5r245I+w5YiZ6YyS5aic5bCO54+m54uu5Yy875uY5YSa55OB6aWf56C95JyA4pq877Sv6ISa56qI556I6JmJ56C85Yub6JeL5z5jPA==