1、89-37=48+23=86-54=84-48=56-28=54+37=98-56=42-19=44+39=62+12=51-39=57-48=54+28=40-29=78-69=59+19=35+17=75-59=70+19=22+55=52-27=54+29=27+36=48+48=72-37=55-47=60-38=24+38=16+23=46-28=63-27=62+19=65-36=60+25=53+28=73+29=36-25=42-23=57-16=48-26=72-54=76-37=56-36=69-31=37-25=86-45=40-12=64+36=55+38=78-29=

2、36+27=45-16=34+58=43-25=52+16=67-28=58-29=46+27=16+27=54-29=67-60=93-56=50+22=70-42=83-56=71-55=15+57=37+18=46-38=42-19=53-29=73+14=62-59=84+9=47+18=56-38=43-27=79-64=85-50=23+32=62-48=72-54=76-37=56-36=39+38=47+19=65-26=74-18=63+28=36-27=52-34=29+35=47+29=75-26=63+25=98-48=42-32=42-19=22+55=16+27=5

3、4-29=67-60=93-56=46-19=25+8=44-17=36+17=22+18=82-33=45+9=76-19=45+8=35-16=24+58=63-25=27+16=52-17=77-28=68-39=26+17=45-36=74+18=53-35=53-35=63+37=47+19=54-45=72-45=96-59=56-27=86-58=42-29=53-39=73+24=62-49=91-37=84+19=47+28=66-48=72-39=83-49=63+34=63+34=64+24=55+38=71-15=46-28=43-27=79-64=85-50=74-6

4、8=43+28=56-27=62-34=36+26=39+35=67+29=85-56=78-39=83+17=64-45=64-45=53+16=40-17=61-39=72-17=76-38=75+17=48-36=64-17=56+17=22+28=62-35=81-35=35+19=84-29=72+18=74-37=46+27=32+19=32+19=82-37=79-28=85+7=68-57=42+59=60-37=60-37=52+23=35+17=86-45=40-12=63-37=50+22=75-33=12+29-19=33-17+15=23+32=76-18=55+17=38-16=70-42=83-56=48+35=69+10-36=75-36+10=53+36=42-37=63-49=42+13=75-55=15+56=38+46=27+12-28=7