文档介绍：20+5=64-32=87-72=88-8=48-29=62+26=86-77=39-36=75+24=51+27=8+91=24+43=57+23+14=77-28+16=55+7-12=42+15-7=14-8+70=52+14-4=34+53=23-17=76-65=72+23=43+42=75-14=40-33=68+15=10+32=76+14=64-4=62+32=56+18+21=77+15-8=42-12+19=43+52-19=67-51+42=99-59+34=83-62=68-11=78-15=69-8=10+15=50+16=98-44=2+94=76+4= 65+9=21+5=100-56=62+18-53=77-21+11=80+12+3=53-15-17=62+19-25=45-27+18=29+67=34-16=36+49=39-23=95-83=45+13=82+13=17+43=13+55=93-38=91-37=59-54=74+21-48=92-49+11=65-42+19=57+15+21=14-8+72=75-34+18=73+23=78-57=4-1=95-26=68-44=84+1=57+19=71-17=3+67=39+9=9+5=54+46=56-21-18=77-21+15=62-58+13=75-26-38=46-18+27=99-26-26=90-29=22+38=52-11=89-42=27-14=33-9=44-28=29+30=58-8=8+10=83-31=12+7=74-18-26=35+18+29=86-25+17=45-28+37=55-29+47=8+19+27=50-19=74-68=58+16=18+56=27+70=53-4=79-32=24+49=23-10=20+26=45-43=21+35=42+12-48=71+26-18=23+16-8=52-18+44100-56+14=53-18+40=34-13=65-23=48+7=27+34=100-28=2+55=89-67=37+47=44-31=5+48=42+2=59+3=62+18-24=51-16+48=14+25+37=52-7+25=43+15-19=40-25+18=96-43=48-7=16-14=92-63=17+1=30+41=48-47=50+18=67+12=53+22=63+10=65-21=16+70=59-38=23+24=46-29=23-6=8+72=12+58=80-6=9+54=99-45=68-6=51-49=26+18-7=53-48+67=42+26-44=56+14-36=75+25-18=42-18+36=7+5=59-5=32-1=