五年级数学上册计算题题库.DOC

1、直接写出得数0.58= 3.60.4= 39.680= 47.61= 40.5= 120.06=121.2= 330=0.157= 3.26+3.24= 2.540.36= 0.2+0.80.5=6.031000= 100.6= 6.450.01= 0.10.1= 0.240.5= 5.43.6=1.250.25= 10.24.5 2.56 90.250.1254= 1.2580.5=160.01= 1.780.3=0.270.003= 0.010.1= 1.820= x-0.4x=5d-2d= 3.60.4= 0.60.8 2.430.120.7 451.60.5 0.20.052.52.34= 1.51.51.5= 3.61.22.4= 4.7644.7= 0.540.54= 38.500.38=0.60.8= 30.9=2.50.4= 3.60.4 12.58=500.04= 800.3= 1.19=二、用竖式计算8.082.68 5.54629.3817.040.26 8.353.5三、竖式计算（得数保留一位小数）0.430.29 52.60.234.580.37四、竖式计算（得数保留两位小数）4.38.14 27.60.4527.60.45 20122.91.8 5.080.25五、竖式计算（得数保留三位小数）2.50.7= 2.50.7=3.259.04=六、竖式计算（用循环小数表示商）36.816 10.13.315.311 0.781七、脱式计算（2.65+2.77）（1.98-0.98）= 3.791.6+6.391.6=0.45120.2= 6.22.12.12.82.80.15=2.81.430.57= 106.068.5=60.251.8= 1443.627.2=0.873.16+4.64=6.80.750.5=13.750.1252.75=53+23.47.2=2.8810.430.243.5=28-(3.4+1.252.4)=（31.8+3.24）5=31.54(6+3)=0.64257.8+2.2=22.5+2.52=19464.81.80.9=36.724.259.9=51807056=242.42.50.8=3.416（0.01635）=八、用简便方法计算下面各题5.122.544.88=12.517.80.8= 9.92.5=9.45.810.65.8=0.1250.320.25= 9.6+9.699=2.87.6+1.42.8 +2.8=6.310.1=0.253.212.5=12.59.7?12.58.7=3.791.6+6.391.6=16.84400.25=12.50.42.58=9.5101=4.27.8+2.24.2=2.557.1+2.457.1=九、解方程4(x+0.3)=4.81.2x-0.8x=9.620+x=367x-55=590.7x=4.2（10-7.5）x=1X1.8=0.9720.06X=1.02 X0.13=0.712.4X=31十、列式计算（1）一个数的25倍是37.75，这个数是多少？（2）比47.88与3.8的商大42.5的数是多少？（3）1.25乘4.2减5，差是多少？（4）比4.7的1.5倍多3.05的数是多少？（5）一个数的25倍是37.5，这个数是多少？（6）比47.88与3.8的商大42.5的数是多少？（7）60比一个数的3倍少30，这个数是多少？（8）一个数的4倍比60多24，这个数是多少？（9）用14.81与5.19