91+6+1=13+30+13=20-9-8=50+46-93=20+43-21=45-20+65=63+35-78=64+14-32=41-34-7=55+29-22=92+8-44=85+6+9=77+23-15=77-51-11=29+32-34=11-8+92=50-9-35=25-8+18=74-54+76=43+33+17=45+10-32=8+44+36=79-73-3=22+67-73=32+65+2=78-30-33=9-9+30=41+41+9=39+38-28=38+14+42=19+39+20=11+34-45=70+24-28=17-12+36=44+23+32=91+7+1=93-51-18=22-6-11=17+83-16=41+33-61=9+62+28=21+71-23=8+72+19=73+20+6=70+16+14=63-60-1=37-13-16=23-16+22=75-26+10=17-6+13=44-9+60=92+6-56=60-49-8=33+46-34=85+10+5=93+7-49=62-49+68=47-40+84=55-47+82=67+17+8=77-11-8=47-24+27=66+16-78=37+45+8=39+39+22=25+68+7=54-33-17=65-29+41=共计:80题71+24-13=47-46+81=83-81+58=58+36-80=24+58-81=53-12-27=11+35+25=11+39+9=30+58+8=27-9+58=56-33-14=做对:76+8-76=12+82-70=28-26+19=37+20+10=47+51-77=56-42-10=39+12+29=48-37+82=91-72-16=70-28-26=36+10+28=计时:31+20-43=11+35+2