小数计算练习题.doc

1.21.4 0.378.4 3.142.8 0.851.120.865.40.152.34 4014 26.373145.538 156035 4.82.3 1.553.97.22.13.877146.413 5.636.12.840.030.380.13 26.3731 32422.840.03 4.8230.3820.134.24.51.642.35=8.656.31=28.44814= 0.58250=12.53.6= 10.8834=107.64=1.867=13.886.29= 9260.15= 8500=26.37.93=237.06= 100.22.28=449（精确到百分位）1824=43.6826=25.30.88=0.15753.15=0.6121.8=16.7870.28（保留一位小数）2.360.22 2.84.58 3.574.282.836 452.463.60.24382.5456.45.480.3961.2=0.7560.36=27.50.025=5.080.65（得数保留两位小数）9.620.158（得数保留两位小数）14.211（商用循环小数表示）小数除法计算练习题25.26=34.515=7.839=4.088=0.546=6.314=7215=14.217=24.88=38.55=0.567=5.20.4=7.20.9=16.80.4=6.50.5=0.560.8=4.1760.72=2.850.2=106.25=4.860.27=1824=43.6826= 36.823=2.6782.6=0.90.045=0.6724.2=0.15753.15=0.6121.8= 2496= 8.648=29.2929= 1110.37= 4823= 15.538=70.95.2= 5.980.23= 3.817=246.413=5.636.1=346.423=用竖式计算（得数保留一位小数）10.0532=210187=4.0352.4=16.7870.28=小数加减法用竖式计算复习题题2.7+13.1=32.4-10.2=7.32+1.47=1.46+0.32=6.3+0.6=6.5-3.4=12.05-0.79=10-0.73=2.74+7.26=78.5-25.65=12.8+26.5=4.3+2.3=5.2-1.4=11.8+3.7=10-2.8=7.6+5.8=3.2+2.5=5.8+16.47=23-9.53=41.2-17.64=51.09+29.46=2.38+4.1=13-4.85=3.9+1.8=2.62+5.9=4.95+6.05=7.45+5.95=3.14+5.72=4.8-2.8=1.3+2.5=3.11+2.22=26.2-13.1=12.3+11.2=35.8-13.3=25.2-21.6=1.45+0.4=3.16+0.23=1.45-0.4=51.5-26.5=45.2-33.4=38-33.4=8.5+1.55=7.3-2.25=10-2.45=32.5+7.6=3.7+2.36=15.4-2.97=11.65+7.39=10.2+8.75=5.94+10.7=10-3.14=14.12+13.96=11.7+2.86=3.15-2.01=8-7.23=8.65+9.05=9.43-0.38=12.3-5.8=15-3.9=2.7+4.85=4.19-2.83=2.96+3.04=3.2+1.27=2.08+3.62=1.6+0.85=15.4-2.36=2.15+3.26=8.7-0.25=4.78+0.51=16.9+6.01=1.49+3.62=1-0.56=4.3+2.31=0.17+0.33=0.95+0.81=0.32+0.42=3.8+3.54=6.36-4.85=0.98+3.5=9.5-4.85=3.05-2.9=85-34.7=2.08+1.75=2.7+4.4=4.19+2.83=12.6+2.45=7.5+2.09=35.6+2.85=1.8+1.3=2.7+13.1=17.25+8.56=0.56+3.485=6.93+23.2=18.21-13.42=1.285+4.26= 47.9-15.6=23.92-8.69=4.68-2.39=10.86-6.73=78.906+23.07= 96.317-23.41=6.53+0.36=6.96+3.03=56.9-12.5=5.29-0.99=16.5+44.4=45.2+34.12=72.8-24.92=19.89-18.9小数乘除法用竖式计算复习习题（1）68.84（2）85.4416（3）67.515（4）289.918（5）101.79（6）243.264（7）16.828（8）15.624（9）0.13815（10）1.3527（11）0.41632（12）3.6452（13）91.23.8（14）0.7560.18（15）51.30.27（16）260.13（17）2101.4（18）2.6880.56（19）10.62525（20）12645（21）1025（22）2.77.5（23）150.06（24）25.60.03228.44814=0.58250=10.8834=1.867=9260.15=8500=237.06=449（精确到百分位）1824=43.6826=25.30.88=2.50.7=（得数保留三位小数）10.13.3=（商用循环小数表示）能简便就简便82512516= 404250=4555（6821555）= 3.2993.2=4.839614.8= 34.5217.8712.23=2.556+4.565= 489101489=4.57+3.17+3.43+5.83= （8540）（205）=5784054516= 46564846464=2.6（2.1399.36.2）= 16.75（9.11.92）1.62=2.61.92.61.9= 4.264（0.1620.50）=6.80.750.5= 13.750.1252.75=1.53+23.47.2= 9.07-22.783.4= 1.050.7+18.92=1.50.050.6= 30-5.5+18(5.2+3.8)= 0.450.45=6.80.750.5= 13.750.1252.75= 53+23.47.2=5.36.3+2.3= 4.47.3+5.3=48.8+1.5=4.10.8-0.2=9.91.4+0.6= 6.42.4+3.6= 12.48-49.7=9.81.3-0.3= 4.89.1-0.5= 2.9+0.67.5= 4.21.8-0.1=8.66.5+6.4=5.59-34.3= 0.25.6+2.5= 3.053-0.15.3=48.4+5.8= 0.54.6+7.1= 6.908-1.31.6=2011.248-4.63.8= 13.596-9.15.6= 229.570.41.9=11.259-2.17.9= 7.3+3.82.3= 1.89.6-1.7=9.3+6.14.8=27.55.7+5.8= 8.70.1-0.1= 8.999-1.74.7=8.68.9+8= 1.7+0.37.6= 4.584-2.10.4= 9.84.3+9.6=7.79.9+7.7= 8.7+3.49= 0.3+2.83.5= 51.1-0.2=2. 98.2+9.2= 3.91.7+0.5= 0.739-1.14.9=0.30.9-0.