五年级上小数乘除混合运算习题_1.docx
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1、五年级上小数乘除混合运算习题篇一:五年级小数乘除法计算题复习(含答案) 五年级小数乘除法计算题练习 一、计算题(30分) 1、直接写出得数。 0.452.51.125 0.81.25 1 0.33.61.08 0.30.30.09 100.070.7 0.31.40.42 0.0570.350.920.40.368 0.20.260.052 0.1440.560.020.10.002 1.20.30.360.20.40.088.21.810 10035.2264.78 2.349.22.50.41 2.4512 0.2240.88 3.2500 0.90.520.38 3.9913.99 03
2、.520 12.58100 810 =0.810-1.8-7.2=1 0.43+3.57=42.5412=120 0.90.8=0.72 7.5x-3x =4.5xa+3a+7a=11a1.05100=10510.5=2 0.963=0.32 1.470.7=2.15.46=0.90.16510=1.650.56100=56 3.78100=378 40.8 =5 3.215100=321.50.810=8 4.08100=4081.10.2 =0.22 0.60.8 =0.48 30.9=2.7 2.50.4=13.60.4=1.44 12.58=100500.04=2 800.3 =2.4
3、1.19=9.9 0.165=0.81.782.2 =3.98 9.60.6 =16 1.20.5-0.4 =0.20.70.01 = 70 2.50.4 =1 123.9=8.1 1.2581.25 =8 6.60.66 =10 5.370+4.63 =4.63 3.92.035.93 4.23.51.2 1.6+2.40.3 =2.32 2.140.91.242745673=556 0.30.3=0.09 7.22.810 0.90.0190 120.3=40 2.870.74.1 1343.250.960.33.2 1.50.40.6 70.25282.50.70.8=1.482.55.
4、5 161.6105.61.01=5.656 8(2.50.25)22 0.360.64164.32164.02 4.20.142 72.80.891 8.44.2213.89.923.7 2.42.56 0.050.80.04 2.560.372.19 1.250.80.50.5 122.530 1.2333.69 3.21.623.53.531419.629.8 8.82.2= 40.7543 (1.50.25)470.50.8=0.4 8.40.2=1.681.60.20.327.20.3=2.16 2.80.30.84 0.90.15=6 1.80.4=0.72 5.50.55=10
5、0.08100= 8 2.20.11=20 5.464.54=10 12.50.8=100.350.3=0.105 1.45=72.84=11.219.64=4.922.54=90 2、用竖式计算 0.3961.2=0.33 0.7560.36=2.1 15.613=202.8 0.1815=2.70.02514= 0.35 3.0636=110.16 0.040.120.0048 3.842.610.05.76317.28(保留一位小数) 7.1522=157.390.753.3=27.5 3.680.25=0.92 16.90.13=130 1.553.90.40 3.70.016=0.0
6、592 (保留两位小数) 13.760.8=11.0085.20.6=3.128.41.3=10.926.40.5=3.24.480.4=1.7925.255=26.25 35.44.2=148.68 0.0420.54=0.02268 0.760.32=0.2432 0.250.046=0.0115 2.523.4=8.5681.0825=27 0.120.50.160.0096 4.80.251.20.1251.40.18 (保留两位小数) 2.50.7=3.571(保留三位小数) 10.13.3=3.06(06上面两个点)(商用循环小数) 10.7512.5=0.86(用乘法验算)3.2
7、59.04=29.38 (用除法验算) 3、脱式计算(能简算的要简算) 2.57.14 16.129916.12 5.20.90.9 =71 =1612 =5.58 7.2899+7.28 4.3500.2642.640.5 =72.8 =43 =62.68 2615.715.724 (2.275 0.625)0.28 =785 =0.812 3.94+34.30.2 1.2(9.62.4)4.8 =10.8 =18.91.14.7 2.75.43.9 3.69.85-5.46 =46.013 =56.862 =30 8.053.4+7.6 6.584.50.9 2.80.5+1.58 =34
8、.97=26.649 =2.98 324.90.9 4.84.80.5 (1.250.125)8 =36=2.4=9 4.8100.1 56.59956.5 7.0910.80.87.09 =480.48=5650 =70.9 4.85 + 0.35 1.48.7 17.4 - 8.7 7.49.5101 =5.1=87 =959.5 12.50.42.580.68 (5.2 -3.5)1.25 =100 =0.5 40.5 0.810.18 4.8 (152.4) 2.1308257 =9 =30 =0 6.81+6.8199 0.2518540 4.40.83.40.8 =681=1850
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