1、0人教版五年级上册小数乘除法练习题一、计算题(30 分)1、直接写出得数。0.452.5 0.81.25 0.33.6 0.30.3 100.07 0.31.4 0.057 0.920.4 0.20.26 0.144 0.020.1 1.20.30.20.4 8.21.8 10035.22 2.342.50.4 2.45 0.224 3.2500.90.52 3.991 03.52 12.58810 = 10-1.8-7.2= 0.43+3.57= 2.5412=0.90.8= 7.5x-3x = a+3a+7a= 1.05100= 10.5= 0.963= 1.470.7= 5.46= 0.
2、16.510= 0.56100= 3.78100= 40.8 =3.215100= 0.810= 4.08100= 1.10.2 =0.60.8 = 30.9= 2.50.4= 3.60.4=12.58= 500.04= 800.3 = 1.19= 0.165 1.782.2 = 9.60.6 = 1.20.5-0.4 = 0.70.01 = 2.50.4 = 123.9= 1.2581.25 = 6.60.66 = 5.370+4.63 = 3.92.03 4.23.51.6+2.40.3 = 2.140.9 2745673= 0.30.3=7.22.8 0.90.01 120.3= 2.8
3、70.71134 0.960.3 1.50.4 70.25 2.50.70.8= 82.5 161.6 5.61.01= 8(2.50.25) 0.360.64 64.3216 4.20.172.80.8 8.44.2 13.89.9 2.42.50.050.8 2.560.37 1.250.80.5 122.5 1.233 3.21.6 3.53.53 19.62 8.82.2= 0.754 (1.50.25)4 0.50.8=8.40.2= 1.60.2 7.20.3= 2.80.3 0.90.15= 1.80.4= 5.50.55= 0.08100= 2.20.11= 5.464.54=
4、 12.50.8= 0.350.3=1.45= 2.84= 19.64= 22.54=2、用竖式计算 0.3961.2= 0.7560.36= 15.613=0.1815= 0.02514= 3.0636=0.040.12 3.842.6 5.763(保留一位小数)7.1522 90.753.3 3.680.2516.90.13 1.553.9 3.70.01613.760.8= 5.20.6 8.41.3 6.40.5 4.480.4 5.255 35.44.2 0.0420.54 0.760.32 0.250.046 2.523.4 1.0825 20.120.50.16 4.80.25
5、0.1251.4(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)3、脱式计算(能简算的要简算)2.57.14 16.129916.12 5.20.90.97.2899+7.28 4.3500.2 642.640.52615.715.724 (2.275 0.625)0.28 3.94+34.30.2 1.2(9.62.4)4.88.91.14.7 2.75.43.9 3.69.85-5.46 8.053.4+7.6 6.584.50.9 2.80.5+1.58324.90.9 4.84.
6、80.5 (1.250.125) 84.8100.1 56.59956.5 7.0910.80.87.094.85 + 0.35 1.4 8.7 17.4 - 8.7 7.4 12.50.42.58 0.873.16+4.64 9.5101 0.68 (5.2 -3.5) 1.25 40.5 0.81 0.18 4.8 (15 2.4) 213082576.81+6.8199 0.2518540 4.40.83.40.8(9.37+937+9 37+937) 25 42.1.1.1.752.376.3+2.373.7 2.51.250.32 3.810.12.5(3.80.04) 7.6910
7、1 3.810.1 0.2539+0.25 0.12572 460.33+540.333(85.27) 1.25 6.81+6.8199 0.25185406.80.750.5 3.750.1252.75 1.53+23.47.29.599 13.50.98 12.58.8 二、解方程:54-X=24 7X=49 126X=4213+A=28.5 2.4X=26.4 7.5x3x=1851.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2三、列式计算1、20 减去 0.8 的差除以 4 个 0.3 的和,商是多少?2、一个数的 2.6 倍加上 9,和是 35,求这个数。 (
8、用方程解)3、1.2 与 4 的积,减去 6.除以 5 的商,差是多少4、2.1 除以 35 的商,加上 4.与 0.45 的积,和是多少?5、一个数的 3 倍加上 6 与 8 的积,和是 84,求这个数6、4.08 除以 0.6 的商,再乘以 5.,积是多少7、甲、乙两数的积是 25.2,甲数是 56,乙数是多少48、把 0.47 平均分成 7 份,每份是多少?9、1.25 乘 4.2 减 5,差是多少?10、比 4.7 的 1.5 倍多 3.05 的数是多少?0.430.28= 6.450.73= 4.60.6=8.90.05= 3.080.43= 1.526.7=5.2229= 18.723.6= 13.953.1=