750 行加法 750 行减法42.18+48.16=37.97+17.2=17.88+47.6=22.56+27.16=9.3+21.93=16.29+8.34=41.18+12.6=47.91+15.11=28.51+40.22=8.72+14.19=49.24+36.58=6.47+22.95=29.41+39.18=31.78+10.17=40.82+48.27=37.03+9.31=11.17+46.38=27.78+44.34=46.72+30.33=16.67+17.97=17.45+5.78=11.46+2.77=.95+39.13=13.17+8.04=19.95+19.1=12.6+23.3=26.99+38.07=18.51+22.2=37.1+.92=2.22+40.86=27.84+25.05=47.5+27.93=39.23+40.33=.64+44.52=23.82+39.15=20.44+14.28=46.65+26.38=28.18+23.34=35.25+19.42=39.82+12.45=36.77+32.86=38.28+21.63=39.78+17.44=37.49+6.65=3.41+48.28=10.32+48.97=6.77+38.06=42.1+42.52=41.45+11.99=30.71+43.76=11.56+7.77=36.47+21.62=33.7+25.57=32.26+7.55=36.97+28.12=3.42+45.5=12.97+40.59=47.79+41.91=4.73+44.29=34.72+5.61=13.57+8.65=.18+1.69=10.49+11.88=42.49+20.31=1.17+36.97=23.57+25.74=3.76+29.43=17.84+44.74=48.94+47.28=12.21+16.56=29.86+11.01=6.09+42.96=2.18+3.64=11.41+38.2=34.09+20.68=2.57+29.04=6.23+20.13=35.75+2.85=22.9+3.04=20.05+17.79=7.38+31.49=28.39+38.7=14.84+19.14=11.76+12.66=2.49+44.3=33.64+49.23=40.08+47.79=20+20.48=9.83+32.94=9.31+10.98=6.46+15.57=2.56+17.81=37.19+23.99=13.22+.53=21.77+49.03=17.26+31.22=7.65+20.32=15.81+.68=16.48+4.73=42.4+44.01=29.67+48.14=25.74+15.73=11.77+22.5=3.17+44.44=5.14+16.37=12.08+8.59=2.57+17.03=43.83+24.74=32.43+4.93=10.11+48.41=6.38+10.8=21.92+37.27=29.44+35.12=30.89+27.01=22.74+30.2=33.27+19.56=8.59+44.67=36.26+33.88=8.21+30.53=36.98+19.27=1.84+12.7=35.68+34.74=6.13+47.73=3.74+5.02=38.59+1.36=15.31+47.91=8.02+47.22=35.42+18.27=35.71+21.44=41.63+33.5=5.44+22.65=23.95+23.48=13.5+11.99=34.95+30.58=18.69+13.08=39.65+9.7=42.28+12.07=15.59+28.21=13.84+31.14=2.04+28.59=15.03+8.68=17.79+1.5=1.06+9.81=6.37+34.04=1.04+47.24=3.14+20.16=6.56+46.16=5.94+16.3=21.72+44.27=25.12+41.41=13.14+41.75=33.54+26.94=9.9+1.31=16.55+16.83=3.62+48.14=22+17.53=1.4+21=47.94+39.71=25.49+28.68=18.73+8.84=44.4+5.01=26.24+20.93=20.05+14.24=38.64+21.49=26.85+33.13=36.58+18.52=1.73+.93=13.24+32.53=44.09+19.41=24.28+46.54=15.85+2.82=37.86+6.04=41.41+27.92=34.64+19.06=30.45+19....
