1、25.26=34.5 1.5=5.60.04=1.812=1.81.2=7.839=4.080.8=0.540.6=6.30.14=7215=14.217=241.5=1.2618=43.529=18.90.27=1.3515=28.611=20.424=3.6452=1560.12=3281.6=1.3527=7.650.85=12.60.28=62.42.6=54.40.16=1.441.8=11.72.6=19.412=59.80.23=19.765.2=10.845=211.4=8.841.7=62.10.03=1.8954=0.512.2=7.12.5=1.9980.54=1.281
2、6=2.10.4=2.5632=50.1838.6=4.6875=14.70.07=5.415=124.80.24=23.4585=0.5440.025=203.511=2415=3.6452=25.26=34.5 1.5=5.60.04=1.812=4.080.8= 14.217=1.81.2=7.839=0.540.6= 6.30.14=7215=241.5=1.2618= 43.529=1.3515=18.90.27=3.6452= 7.650.85=28.611=20.424=3281.6= 1.3527=12.60.28=1560.12=62.42.6=54.40.16=11.72.
3、6=1.441.8=19.412=59.80.23=10.845= 19.765.2=211.4=8.841.7=1.8954=62.10.03=0.512.2=7.12.5=1.2816=62.10.03=1.9980.54=50.1838.6=124.80.24=2.10.4=2.5632=4.6875=14.70.07=5.415=203.511=113.511=93.518=223.516=39.412=54.80.23=12.844=14.765.1=251.4=8.891.7= 1.8934= 63.10.09=0.532.3=7.82.5=1.2876=66.40.02=0.99
4、80.55=50.1738.6=124.80.84= 2.50.3=8.5635=4.7874=14.70.06= 5.516= 5.51.6= 24.70.06= 0.3961.2= 2.631.9= 0.7560.36=15.613= 4.631.3= 5.7630.1815= 8.261.4= 0.02514=3.0636=0.040.12 3.842.6 （保留一位小数）7.152290.753.3 3.261.133.680.2516.90.13 5.691.41.553.93.70.016 6.370.2313.760.8=5.20.6 9.131.328.41.36.40.5 8
5、.361.454.480.45.255 2.360.13=35.44.20.0420.54 3.631.2=0.760.320.250.0462.523.41.0825 0.120.50.164.80.250.1251.4（保留两位小数）2.50.7= （保留三位小数）10.13.3= （商用循环小数）10.7512.5= （用乘法验算） 3.259.04= （用除法验算）2.57.1416.129916.125.20.90.97.2899+7.284.3500.2642.640.52615.715.724(2.2750.625)0.283.94+34.30.21.2(9.62.4)4.88.
6、91.14.72.75.43.93.69.85-5.468.053.4+7.66.584.50.92.80.5+1.58324.90.94.84.80.5(1.250.125)84.8100.17.0910.80.87.094.85 + 0.35 1.48.7 17.4 - 8.7 7.412.50.42.580.873.16+4.649.51010.68（5.2 -3.5） 1.25 40.50.810.184.8（152.4）2.13082576.81+6.81990.25185404.40.83.40.8(9.37+9.37+9.37+9.37)2.54.2.1.1.1.752.376.3+2.373.72.51.250.323.810.12.5(3.80.04)7.691013.810.1 0.2539+0.250.12572460.33+540.33(85.27) 1.256.81+6.81990.251854 6.80.750.5 56.59956.53.750.1252.751.53+23.47.29.59913.50.9812.58.8
