文档介绍：6+27+25=28-23+81=17+64-27=23+14-15=46-38+45=9×4+3=25+36+19=8×8-24=87+6-45=38-19-6=7×9-36=3×9+36=44-13+38=4×6+40=32-16+25=39-17+49=59-31+48=42+39+19=3×6+25=97-54-25=81-6×8=2×9+39=69-60+87=37+16+13=3×4+49=55-27+32=35-27+67=29+33-28=4×8+32=91-9×9=45+26-16=39+28-17=67-37+25=5×9-29=99-7×9=96-34+11=16-11+48=15+7+37=49+27+31=7×4+18=100-65-46=77-16-17=54+36-25=87-57+26=98-55-16=57-18+25=99-69+18=23+25+17=44-21+12=74+19-37=7×4+18=54-36-11=5×9+13=4×9+21=29+33+26=74+9+7=50-16+46=45+26+2=8×7-56=7×9+24=6×6+43=70-15-33=64-38+45=3×5+31=53-37+21=3×7+42=90-38-13=90-54-37=6×3+15=59+24-37=95-42-27=7×2+26=55-36+18=100-64+26=6×2-12=43+38-37=18+71-49=3×4+46=73+18-55=5×6+34=5×4-17=63-47+24=53-17+41=7×6-15=65+25-31=25+75-66=4×5-9=60-21+36=8+78-47=3×9-18=4×8+48=83-29-32=3×8+19=75-35-18=3×9+58=6×9+16=6×9+14=36+47-6=6×8+25=54+28-22=5×9+26=85-3×9=8×7+13=6×7+42=79-25+12=9×6+21=8×5+51=7×5+16=67+18-33=6×9+38=9×7-39=3×8÷4=52-29+37=4×8-13=90-35-19=73-16+40=8×9-24=3×6+54=28+37+31=9×9-36=74-26-17=53-35+64=7×6+40=59+12+13=43-29+71=4×9-18=94-26-33=6×7+18=40+11+24=12+19+57=5×6-12=95