2025小数乘除法计算题.docx

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1、2025小数乘除法计算题【附答案】（满分:100分,时间:60分钟）注意事项：1 .本卷共150题，均为直接计算题，请用竖式或方法计算;2 .小数乘法注意积的小数位数，除法注意商的小数点位置;3 .运算需写出关键步骤（可选）。第一大题：小数乘法（共75题，每题0.4分，共30分）1. 2.54=2. 0.30.2=3. 1.25=4. 0.70.8=5. 3.60.5=6. 0.156=7. 4.20.3=8. 0.058=9. 2.40.25=10. 50.64=13.7.5O.4=14.0.250.8=15.3.2O.125=16.O.91.1=17.4.80.2=18.O.5O.75=1

2、9.2.7O.3=20.0.0415=21.6.30.2=22.0.185=23.0.350.2=24.9.90.1=25.0.254.8=26.0.1258=27.0.250.4=28.1.50.6=29.0.362.5=30.4.50.2=33.8.5O.2=34.0.061.5=35.2.20.5=36.0.90.9=37.5.60.1=38.O.3O.33=39.0.251.6=40.7.20.5=4i.0.140.5=42.3.90.2=43.0.020.8=44.6.40.125=45.0.50.5=46.1.80.3=47.0.70.75=48.0.032.2=49.4.50.4

3、=50.0.20.95=53.0.40.258=()54.1.258.8=O55.0.253.20.4=()56.3.60.25=()57.0.81.250.5=()58.2.51.6=()59.0.1257.2=O60.4.599+4.5=O6i.0.251.2516=O62.1.5102=O63.0.80.250.412.5=()64.2.53.20.125=()65.0.994.5=O66.3.610.1-3.60.1=()67.0.25(4+0.8)=()68.1.253.20.25=()69.0.52.40.2=()70.4.57.8+5.57.8=()73.0.81.25+0.80

4、.25=()74.3.62.5=O75.0.254.8+0.255.2=O第二大题：小数除法(共75题，每题0.4分，共30分)1. 80.4=2. 1.20.3=3. 0.720.8=4. 3.60.9=5. 100.25=6. 5.60.7=7. 0.480.6=8. 2.40.06=9. 9.60.8=10. 0.360.4=11,7.20.9=11. 1.50.5=13.O.25O.5=17.0.80.04=18.3.9O.3=19.0.56O.8=20.6.40.2=21.0.90.3=22.2.70.9=23.1.80.6=24.0.150.05=25.4.20.7=26.0.40

5、.2=27.0.60.15=28.1.50.5=29.2.80.4=30.3.30.3=31.5.50.5=32.0.750.25=33.0.960.12=34.8.40.7=37.0.32O.O8=38.4.50.9=39.0.50.25=40.6.60.6=41.0.80.02=42.7.70.7=43.0.180.06=44.12.50.5=45.0.450.9=46.2.20.1=47.0.640.08=48.3.50.7=49.0.90.03=50.8.80.8=5i,0.250.05=52.1.40.2=53.5.40.6=54.0.70.01=57.4.80.04=58.6.30

6、.9-59.0.560.07=60.10.40.8-61.0.30.06=62.2.50.5=63.7.20.08=64.0.490.07=65.1.60.04=66.0.810.09-67.11.20.7=68.0.270.03=69.9.60.06=70.0.550.05=71.3.80.2=72.0.660.06=73.12.60.9=74.0.350.05=参考答案第一大题：小数乘法答案1.1()2.0.063.64.0.565.1.82.0.97.1.26&-0.49.0.610.3.23.112.0.5413.314.0.215.0.44.().9917.().9618.0.375

7、19.().8120.().65.1.2622.0.923.0.0724.0.9925.1.26.127.().128.0.929.0.930.0.97.0.9132.().133.1.734.0.0935.1.18.().8137.0.5638.().(19939.0.440.3.69.0.0742.0.7843.0.01644.().845.0.2510.0.5447.().52548.0.06649.1.850.0.1911.0.552.1153.0.854.1155.0.3212.().957.().558.459.0.960.45013.562,15363.164.165.4.455

8、14.3667.1.2568.169.0.2470.7815.172.3.7573.1.2574.975.2.5第二大题：小数除法答案76.2077.478.0.979.480.4()77.882.().883.4084.1285.0.978.887.388.().589.4090.0.979.792.2093.1394.0.795.3280.397.398.399.31,681.2102.4103.3104.7105.1182.11107.3108.8109.12110.1083.11112.4113.5114.2115.1184.40117.11118.3119.25120.0.585.22122.8123.5124.30125.1186.5127.7128.9129.70130.3187.4132,120133.7134.8135.1388.5137.5138.(M)139.7140.4089.9142.16143.9144.16()145.1190.19147.H148.14149.7150.