文档介绍：78-29+18=26+17-18=64-19+22=47+19-38=66-48-13=75-55+44=46-19+27=85-56-14=56-36-15=76-18+8=72+18-23=67-60+56=36+27+26=85+7-34=85-50+29=25+8+46=45-36+26=42-32+24=55+17-67=72-39+36=55+38-19=45-16+39=78-39+36=15+24+22=42-19+36=74-37-25=69+24-19=74-18-27=68-57+36=93-56+27=38-16+17=74+18+8=23+32+12=34+58-17=83-49+17=42+24-19=53+16-18=83+37-18=71-19+32=43-25+14=46+27-18=60-34+35=36-27+73=42+49-18=27-25+57=32+22+18=53-35+17=22+55-45=20-17+44=63+34-13=46-28+22=52+16-59=64-45+36=70-42+36=52-34-17=32+19+36=72-54+26=82-33+36=60-37+8=75-33-29=27+16-23=72+26-13=40-12+27=32-17 +62=52-37-13=86-37-48=91-17-29=54-35+36=79-64+38=36+16+37=89-37-23=53+46-36=91-25+26=51-39+17=55+38-50=48+13+27=52-27+36=93-56+35=67-28+17=63-27-13=23+32-19=84+9-26=63+37-17=56+28-60=29+35+28=61-26-23=21+72-60=45+9+36=48+23-17=36+34-14=72-17+34=57-48+36=73+12-71=58-29+36=54+29-17=21+62-60=47-18+48=62+19-18=44-5+12=47+29-18=47+19+36=100-76+22=76-19-18=42-17+41=72-45+32=76-38+58=86-54+16=54-21-18=46+27-36=54+28-13=67-47+22=56-38+28=27+36-17=21+82+17=75-26+47=65-36-18=83-27+10=45+8+37=54-45+23=54+21-18=75+17-87=35+27-23=65-33-18=35-16+18=84-48+17=68-65-3=42-29+26=40-29+36=54-52+17=74-68+17=48+48-23=88-51-24=64-17+12=60+25-17=76-63+1=68-36-18=72-45+17=63+18+11=24+58-17=46-38+8=65+15-47=53-39+27=56-28-17=77-34+55=43+28-23=78-69-13=43-29+13=56+17+8=72-37-23=35-28-28=53+36-18=53+28-18=77-38+42=63-25+17=96-59-18=60-34+35=73+24-1