0.75＋0.4=1.1520＋0.78=20.784.8＋4.2=95.7－3=2.74.9－1.7=3.21.34＋0.8=2.142－0.75=1.258.7＋0.03=8.730.2－0.09=0.118.5＋2.5=113.4－1.4=20.68＋0.42=1.17.82－7.2=0.622＋9.1=11.10.48＋0.52=18.1－5.1=30.78－0.24=0.540.8＋0.18=0.980.89－0.25=0.641－0.98=0.020.9＋0.1=11－0.8=0.24.5－4=0.55.6＋4=9.65.7＋3.3=910－4.4=5.66＋6.6=12.69.5－2.7=6.81－0.55=0.453.7＋4.8=8.57＋3.3=10.33．25＋0．75=42.7＋3.9=6.60．7＋0．9=1.61－0.44＝0.560.9＋1=1.0914．6－0．4=14.210－0．1=9.914＋0．78=14.783＋2.7=5.75－0．08=4.921．64＋2．35=1．1－1=0.18．34－6．22=27.7812．6＋3．4=161.3＋4.3=5.67.2＋6.9=14.19.3－8.8=0.54.4＋15.99=20.3919.8－5.6=14.296.3－56.2=40.179.2＋56.8=1361.9+25.793=27.69388－69.21=18.791－0．3=0.7136.5－105=31.573.4+52.1=125.593.1-20.9=72.263.1-11=52.10.33+9.8=10.13.2+1.5=2.71.3+1.5=2.80.2+1.2=1.41.3+1.08=2.385.5+2.1=7.67.8+1.9=9.71.02+1.03=2.051.2+1.5=2.71.5+1.7=3.21.3+1.5=2.80.2+1.2=1.41.3+1.08=2.385.5+2.1=7.67.8+1.9=9.71.02+1.03=2.051.2+1.5=2.71.3+1.5=2.80.2+1.2=1.41.3+1.08=2.385.5+2.1=7.67.8+1.9=9.71.02+1.03=2.057.1+7.1=14.22.03+2.03=4.06