小数除法计算题500道(口算300道竖式200道)含答案.pdf

第 1 页（共 38 页）小数除法计算题小数除法计算题 500 道（口算道（口算 300 道道+竖式竖式 200 道）含答案道）含答案一口算题（共一口算题（共 50 小题）小题）1直接写出下面各题的得数 4.80.8=7.54.5=0.7515=3.50.4=100.01=102.05=0.61.5=40.25=1.36+2.87+3.64=1.80.40.25=2直接写出得数 2.10.7=25=10.2=78=5.30.53=0.10.01=0.2540=6.55.6=1.260.6=0.546=3直接写得数 30.22=0.010.5=0.728=4.80.06=6.4+3.6=13=101.55=1.258=4口算 0.90.03=7.22=0.052=0.7411=0.2540.254=3.13.1=1.32+81.32+8=7.240=6.250.87+0.13=0.42.725=5直接写得数6.30.3=1.80.5=25.1+4.9=2.50.54=6.直接写出得数6.40.2=0.90.89=1.07+8.3=3.610=1001.5=8.1+9=4.50.2=113.9=7直接写得数 5.60.8=6.825.2=2.50.04=10.5+0.5=9.150.3=17.20.86=1.80.1=12.50.80=第 2 页（共 38 页）8直接写得数9直接写得数100.01=0.22+0.8=102.05=40.25=019.8=0.20.05=1.36+3.64=0.40.25=10直接写得数0.250.5=0.320.04=1.254=1.60.4=0.546=5.67=11直接写得数 5.0910=12.50.8=0.50.25=45.61=32.10.2=0.256=0.40.5=0.540.9=10.20.01=12.50.8=12口算45=1.80.03=752.5=0.225.4=3.6+4.4=105.2=3.40.2=7.86=13直接写出得数 3.60.3=6.37=5.6100=0.254=0.5628=360.9=0.64+0.8=0.723=1.220=75=6.120.5=2.950.2=14口算3.42=2.70.3=0.426=4.122=6.30.9=1.53+2.4=4.80.5=6.480=400.41=30.99=104.1=4.60.5=1.4100=2.8010=2.4100=0.331000=906=0.025100=90100=0.32+1.98=14.3+5.7=999+9=第 3 页（共 38 页）15直接写得数0.255=0.720.9=3.145100=7.23.6=150=12.44.1=0.01+0.99=7.67.6=1.254=5002.5=16直接写得数0.355=0.32=0.30.2=0.70.9=073=2.45=4.90=20.455=17口算我最棒0.641.6=1.40.5=0.720.9=10.98.9=2.7+7.2=01.5=2.70.3=240.3=4.3+2.7=2000.07=0.254.9=40.8=18直接写得数0.810=25+8=1871000=058=2379=257+0=00.008=0.001100=6.08051000=245=19直接写得数0.639=5.41.45=04.65=3.50.7=10.25=40.5=0.10.05=3.30.1=2.70.90.360.12=0.142=9.66=20直接写得数8.44=3.60.2=0.7290=1.10.8=0.56+4.44=1.2558=2.9+3.7+2.1=7.68+2.48=0.40.25=21请你直接写出得数4.80.8=7.50.45=5.7+3.3=10.25=6.20.621=第 4 页（共 38 页）0.751.5=0.24=0.214=1.260=5+3.20.8=22直接写出得数0.720.9=23.7+2.63=4.80.4=0.52=6.55.6=10.25=80.8=104=0.40.8=0.480.8=0.354=0.30.15=23直接写出得数1.20.4=28=40.5=0.724=05.32=3.6+1.8=10.73=0.240.6=6.41.6=0.12580=0.50.8=13.20.6=24直接写得数 2.50.5=0.420.6=3.50.01=0.540.6=0.80.35=0.254=12.50.8=0.250=03.68=0.30.2=25直接写出得数0.560.7=0.6+0.65=3.91.3=120.03=5.20.13=991.01=13.52.87.2=250.32125=26口算 3.61.2=8.19=4.80.6=1.258=990.9=250.05=880.008=12.5=27直接写得数0.640.32=0.71.2=7.2（0.89）=400.25=04.8=2.92.9=0.30.6=0.0750=1000.07=22.11=28口算0.020.1=124.3=360.01=0.80.125=2.3+0.8=0.360.49=第 5 页（共 38 页）29口算3.61.2=4.44=4.80.4=10.25=30直接写得数6.48=9.80.14=4.816=0.639=8.729=0.999.9=5.50.11=13.86.9=31直接写出得数0.568=0.0710=31.9=1.20.1=510.3=4.3+15.37=2.910.0212.13.960.5832直接写出得数 3.63=7.86=9.99=56.77=4.84=3.913=3.612=8.127=0.042=0.884=1.255=7.50.05=33口算10.25=0.786=2.424=6.60.6=50.5=340.2=0.87=80.6=700.12=34直接算出得数2.12=3.8+1.02=7.50.4=2x0.7x=108=0.80.6=3.20.5=9.60.06=3.570.7=4.5+0.76=35直接写出得数22.44=0.254=0.217=5.67=1.25=423=6.120.6=0.546=38.55=240.8=36直接写出得数第 6 页（共 38 页）1.60.4=7.28=4.20.01=23.61.8=45=4.60.46=5.41.8=021.3=37口算1.23=0.486=4.623=6.84=0.7212=0.724=9.66=5.213=12.55=0.125=38直接写得数 56100=1.290.29=0.56100=5.35+2.5=0.625100=52.1=359+402=18.67=8.0710=3.5+0.9=1.2+0.08=4（2514）=7.340=3.31+1.2=254254=0.25+0.2+0.75=39口算0.420.6=50.6=2.40.24=1.252.38=7.8+1.2=100.1=0.10.1=2.52.50.4=40直接写出得数109.9=0.67+0.3=8.9100=2.54=816=0.960=1.042=9.17=1.58=0.3939=0.258=0.05300=0.459=7.29=05.8=480.25=41口算2.42=480.6=0.240.2=4.86=2.40.2=4.80.6=9.60.3=963=42直接写出得数 165=224=48100=12.63=6.066=第 7 页（共 38 页）3570=955=1.34=12.60.6=1.86=43直接写的数0.750.5=1.60.4=73.5=16.80.4=2.80.28=0.50.25=44口算下面各题5.7410=4.20.07=0.164=0.40.8=1.25=0.642=0.560.7=0.6+0.65=3.91.3=45计算12.84=31.55=39.64=97.86=11.73=29.42=83.55=95.24=67.82=46口算：0.968=0.080.01=0.20.05=0.360.18=5.11.7=0.540.6=4.80.24=100.92=0.945=2.542.54=47直接写出得数2.54=100.1=2.80.4=4.50.15=7.20.9=1.56=150.5=52=1.20.03=1.33=48直接写出得数0.3+5.7=10.6=3.3+5.6=0.25+5.75=5.3+50.7=0.40.35=10.04=8+50.28=0.90.7=109.9=8.6100=148.3100=49直接写出得数 3.61.2=0.720.9=2.613=4.80.4=第 8 页（共 38 页）4.44=0.786=7.20.4=10.25=7.10.4=4.50.15=10.07=0.420.7=50直接写得数0.29100=51000=19+019=423（100+23）=170100=320100=902613=0.561001000=0.261000=2499+24=3825+1225=5001001000=二竖式计算（共二竖式计算（共 50 小题）小题）1竖式计算0.510.5=985.6=20.41.7=验算：2用竖式计算（需验算，除不尽的保留两位小数）1.0920.42=2101.4=8.90.563列竖式计算69.023.4 26.80.35 46.83.4（保留一位小数）4列竖式计算2.0525 0.130.17（商精确到百分位）第 9 页（共 38 页）4.20.28 4.21.32（得数保留三位小数）5用竖式计算117.30.46 240.37 40.32l.686竖式计算2.10.7=70.35=7.24=7用竖式计算并验算2.7624=12.60.28=8用竖式计算220.515=（用乘法验算）2.641.09=（得数保留两位小数）6.30.125=0.841.65=第 10 页（共 38 页）9列竖式计算（后两题得数保留两位小数）33.656 8.960.28 7.120.22 4.131410竖式计算 12.44=45.90.6=510.3=52.812=75.60.18=9.60.32=11用竖式计算132.5 54.50.16 0.680.95（保留两位小数）2.050.16（验算）78.611=（商用循环小数表示）6.210.0312竖式计算，带*的要验算1.250.25=78.611=（商用循环小数示）第 11 页（共 38 页）5.637.8数保留两位小数）28.280.4=*0.3035=13列竖式计算（带的保留两位小数）1.573.9 0.580.24 70.733（商用循环小数表示）14竖式计算（得数保留 1 位小数）带的验算64.81.8 86.69 0.653.8415竖式计算（带*的要验算）9.411=*14412=14.211=16竖式计算75.60.18 25.60.032 2.781.85.636.1（得数保留两位小数）103.3（用循环小数表示）第 12 页（共 38 页）17竖式计算，按要求保留商的近似值307（保留两位小数）60.93.2（保留一位小数）259.9（保留整数）18用竖式计算（1）6.210.03=（2）10.845=（3）8.540.7=（4）72.90.9=19竖式计算（第、题验算）50.966.5 9.253.7=1574 6.724.2=20用竖式计算（1）1.250.25=（2）8.40.56=（3）8.540.7=（验算）（4）78.611=（商用循环小数表示）21用竖式计算4.50.18=2.3462.3=验算：70.33.6=5.062.2=第 13 页（共 38 页）22用竖式计算（带*得数保留两位小数）2.60.25 29.90.46 *4.651.323列竖式计算（除不尽的保留两位小数）24.60.16；13.96；0.3251.5；6.240.8；18.34；19.2624用竖式计算，并指出哪些是循环小数7.050.94 1.713.8 4.830.7 5.79 38.22.7 2.1618 1.80.25 3.72.225用竖式计算（1）3.90.26 （2）9.353.4（得数保留一位小数）第 14 页（共 38 页）（3）0.170.11（商用循环小数表示）（4）0.1680.7（5）4.0518（得数保留两位小数）（6）4.685.4=（商用循环小数表示）26用竖式计算21.4515；49.048；217.634；11.736；1.6926；54.812727将下列式子的得数保留两位小数25.320.15 1.031.2 1.079.29.450.32 13.510.13 17.960.3628列竖式计算（第三小题得数保留两位小数，第五小题请写出验算过程）第 15 页（共 38 页）47.045.6=3.282.7=0.7641.252.920.27=81.28=15.3612=29列竖式计算：0.1950.13 3.60.8 76.760.7662.4 7.0850.65 9.720.2730竖式计算（1）0.380.23 （2）5.793.6 （3）4.60.25 （4）624（5）52.9575 （6）3.017 （7）4.9511（8）84.0131（用乘法验算）（9）0.64619 （10）4.70.59第 16 页（共 38 页）31计算下面各题，并用乘法验算（1）15.612 （2）32816 （3）1.3527 （4）0.6461932用竖式计算下列各题（除不尽的保留两位小数，后面两道题要验算）45.151.5=52.651.3=15.752.1=8.42+0.6=0.4360.2=9.253.7=33列竖式计算6.64 43.529 18.927 1.351537.56 28.611 20.424 3.645234竖式计算0.44832=14.3+6.7=3.80.26=11.328.95=第 17 页（共 38 页）35用竖式计算 1.261.8=645.04=43.50.29=验算5.636.1（得数保留两位小数）27.82.5=验算9.80.75=36笔算5.024.8=1.35320=260.13=482.3（得数保留两位小数）37用竖式计算，加号的要验算0.7560.18=0.350.48=6.025.94=38用竖式计算（有的要验算）96.642 7.7995 6.30.4270.35 0.140.08 428第 18 页（共 38 页）39用竖式计算7.875=2.552.5=2.51.04=40列竖式计算3.510.8 80.9326.7（精确十分位）1.421.1（商用循环小数表示）41计算下面各题，除不尽的用循环小数表示商43.812 0.120.25 70.35 11.6291311 30.133 1912 5.60.0742竖式计算30.645 4.060.58 54.60.9143列竖式计算0.580.08=（结果保留两位小数）0.540.018=13.63=（商用循环小数表示）第 19 页（共 38 页）44列竖式计算，并验算前两个，第三个保留两位小数95.228=46.80.13=5.637.8=45竖式0.732.15 7.381.6 5.9527.6（得数保留两位小数）46用竖式计算3.3818 30.92.7 5.9527.6（得数保留两位小数）47列竖式计算4.8323=3.091.5=0.140.08=（验算）48竖式计算705.6=227.80.34=7.5250.38=49用竖式计算下面各题，除不尽的保留两位小数8.650.25 1.812 7.21.1第 20 页（共 38 页）50用竖式计算7.021.3 29.839.5 0.543.6第 21 页（共 38 页）小数除法计算题（口算小数除法计算题（口算 300 道道+竖式竖式 200 道）答案道）答案一口算题（共一口算题（共 50 小题）小题）1【解答】解：4.80.8=67.54.5=30.7515=0.053.50.4=1.4100.01=1000102.05=7.950.61.5=0.940.25=161.36+2.87+3.64=7.871.80.40.25=0.182【解答】解：2.10.7=325=0.410.2=578=0.8755.30.53=100.10.01=100.2540=106.55.6=0.91.260.6=2.10.546=0.093【解答】解 30.22=15.10.010.5=0.020.728=0.094.80.06=806.4+3.6=1013=0.101.55=8.451.258=104【解答】解：0.90.03=307.22=5.20.052=0.10.7411=8.140.2540.254=163.13.1=11.32+81.32+8=167.240=0.18 6.250.87+0.13=5.510.42.725=275【解答】解：6.30.3=211.80.5=0.925.1+4.9=302.50.54=56【解答】解：6.40.2=320.90.89=0.011.07+8.3=9.373.610=0.36第 22 页（共 38 页）1001.5=1508.1+9=17.14.50.2=0.9113.9=7.17【解答】解：5.60.8=76.825.2=1.622.50.04=0.110.5+0.5=19.150.3=30.517.20.86=201.80.1=1812.50.80=08【解答】解：1.4100=1402.8010=0.282.4100=0.0240.331000=330906=150.025100=2.590100=0.90.32+1.98=2.314.3+5.7=20999+9=9009【解答】解：100.01=10000.22+0.8=1.02102.05=7.9540.25=16019.8=00.20.05=0.011.36+3.64=50.40.25=0.110【解答】解：0.250.5=0.50.320.04=81.254=51.60.4=40.546=0.095.67=0.811【解答】解：5.0910=0.50912.50.8=100.50.25=245.61=45.632.10.2=6.42第 23 页（共 38 页）0.256=1.50.40.5=0.20.540.9=0.610.20.01=102012.50.8=1012【解答】解：45=0.81.80.03=60752.5=300.225.4=5.083.6+4.4=8105.2=4.83.40.2=0.687.86=1.313【解答】解：3.60.3=126.37=0.95.6100=5600.254=10.5628=0.02360.9=400.64+0.8=1.440.723=2.161.220=2475=1.46.120.5=12.242.950.2=2.914【解答】解：3.42=1.72.70.3=90.426=0.074.122=8.246.30.9=71.53+2.4=3.934.80.5=2.46.480=0.08400.41=16.430.99=278.1104.1=414.60.5=9.215【解答】解：0.255=0.050.720.9=0.83.145100=314.57.23.6=2150=0.0212.44.1=30.01+0.99=17.67.6=11.254=55002.5=5016【解答】解：0.355=0.070.32=0.60.30.2=1.50.70.9=0.63073=02.45=1.24.90=020.455=4.517【解答】解：第 24 页（共 38 页）0.641.6=0.41.40.5=0.70.720.9=0.810.98.9=22.7+7.2=9.901.5=02.70.3=0.81240.3=804.3+2.7=72000.07=140.254.9=1.22540.8=518【解答】解：0.810=0.825+8=331871000=0.187058=02379=226257+0=25700.008=00.001100=0.16.08051000=6080.5245=12019【解答】解：0.639=0.075.41.453.7204.65=03.50.7=510.25=440.5=20.10.05=23.30.1=332.70.9=30.360.12=30.142=0.079.66=1.620【解答】解：8.44=2.13.60.2=180.7290=0.0081.10.8=0.880.56+4.44=51.2558=502.9+3.7+2.1=8.77.68+2.48=800.40.25=0.121【解答】解：4.80.8=67.50.45=7.055.7+3.3=910.25=46.20.621=90.751.5=0.50.24=0.050.214=0.841.260=725+3.20.8=922【解答】解：第 25 页（共 38 页）0.720.9=0.823.7+2.63=26.334.80.4=120.52=0.256.55.6=0.910.25=480.8=10104=2.50.40.8=0.320.480.8=0.60.354=1.40.30.15=223【解答】解：1.20.4=328=0.2540.5=80.724=0.1805.32=03.6+1.8=5.410.73=0.270.240.6=0.46.41.6=40.12580=100.50.8=0.413.20.6=2224【解答】解：2.50.5=50.420.6=0.73.50.01=3500.540.6=0.90.80.35=0.450.254=112.50.8=100.250=1003.68=00.30.2=0.0625【解答】解：0.560.7=0.80.6+0.65=1.253.91.3=3120.03=4005.20.13=40991.01=99.9913.52.87.2=3.5250.32125=100026【解答】解：3.61.2=38.19=0.94.80.6=81.258=10990.9=110250.05=500880.008=1100012.5=0.427【解答】解：0.640.32=20.71.2=0.847.2（0.89）=1400.25=1004.8=02.92.9=10.30.6=0.180.0750=3.51000.07=722.11=22.1第 26 页（共 38 页）28【解答】解：0.020.1=0.002124.3=7.7360.01=36000.80.125=0.12.3+0.8=3.10.360.49=0.129【解答】解：3.61.2=34.44=1.14.80.4=1210.25=430【解答】解：6.48=0.89.80.14=704.816=0.30.639=0.078.729=0.30.999.9=0.15.50.11=5013.86.9=231【解答】解：0.568=0.070.0710=0.731.9=1.11.20.1=0.12510.3=1704.3+15.37=19.672.910.023012.13.9360.581032【解答】解：3.63=1.27.86=1.39.99=1.156.77=8.14.84=1.23.913=0.33.612=0.38.127=0.3第 27 页（共 38 页）0.042=0.020.884=0.221.255=0.257.50.05=15033【解答】解：10.25=40.786=0.132.424=0.16.60.6=1150.5=10340.2=1700.87=5.680.6=4.8700.12=8.434【解答】解：2.12=1.053.8+1.02=4.827.50.4=32x0.7x=1.3x108=1.250.80.6=0.483.20.5=1.69.60.06=1603.570.7=5.14.5+0.76=5.2635【解答】解：22.44=5.60.254=10.217=0.035.67=0.81.25=6423=146.120.6=10.20.546=0.0938.55=7.7240.8=3036【解答】解：1.60.4=47.28=0.94.20.01=42023.61.8=045=0.84.60.46=105.41.8=3021.3=037【解答】解：1.23=0.40.486=0.084.623=0.26.84=1.70.7212=0.060.724=0.189.66=1.65.213=0.412.55=2.50.125=0.02438【解答】解：56100=0.561.290.29=10.56100=565.35+2.5=7.85第 28 页（共 38 页）0.625100=62.552.1=2.9359+402=76118.67=11.68.0710=80.73.5+0.9=4.41.2+0.08=1.284（2514）=14007.340=03.31+1.2=4.51254254=160.25+0.2+0.75=1.239【解答】解：0.420.6=0.750.6=32.40.24=101.252.38=237.8+1.2=9100.1=1000.10.1=0.012.52.50.4=1.540【解答】解：109.9=0.10.67+0.3=0.978.9100=8902.54=10816=0.50.960=541.042=0.529.17=1.31.58=120.3939=0.010.258=0.031250.05300=150.459=0.057.29=0.805.8=0480.25=841【解答】解：2.42=1.2480.6=800.240.2=1.24.86=0.82.40.2=124.80.6=89.60.3=32963=3242【解答】解：165=3.2224=5.548100=0.4812.63=4.26.066=1.013570=0.5955=191.34=5.212.60.6=211.86=0.343【解答】解：0.750.5=1.51.60.4=473.5=2第 29 页（共 38 页）16.80.4=422.80.28=100.50.25=244【解答】解：5.7410=0.5744.20.07=600.164=0.640.40.8=0.51.25=60.642=0.320.560.7=0.80.6+0.65=1.253.91.3=345【解答】解：（1）12.84=3.2（2）31.55=6.3（3）39.64=9.9（4）97.86=16.3（5）11.73=3.9（6）29.42=14.7（7）83.55=16.7（8）95.24=23.8（9）67.82=33.946【解答】解：口算：（1）0.968=0.12（2）0.080.01=8（3）0.20.05=4（4）0.360.18=2（5）5.11.7=3（6）0.540.6=0.9（7）4.80.24=20（8）100.92=0.08（9）0.945=0.02（10）2.542.54=1647【解答】解：2.54=10100.1=1002.80.4=74.50.15=307.20.9=81.56=9150.5=3052=2.51.20.03=401.33=3.948【解答】解：0.3+5.7=610.6=0.43.3+5.6=8.90.25+5.75=65.3+50.7=560.40.35=0.0510.04=0.968+50.28=58.280.90.7=0.2109.9=0.18.6100=860148.3100=1.483第 30 页（共 38 页）49【解答】解：3.61.2=30.720.9=0.82.613=0.24.80.4=124.44=1.10.786=0.137.20.4=1810.25=47.10.4=2.844.50.15=3010.07=0.930.420.7=0.650【解答】解：0.29100=0.002951000=0.00519+019=19423（100+23）=300170100=17000320100=3.2902613=510.561001000=0.0560.261000=2602499+24=24003825+1225=05001001000=5000二竖式计算题（共二竖式计算题（共 50 小题）小题）1【解答】解：0.510.5=1.02985.6=1520.41.7=122【解答】解：1.0920.42=2.62101.4=1508.90.5615.893【解答】解：69.023.4=20.326.80.35=9.3846.83.413.84【解答】解：2.0525=0.0820.130.170.76第 31 页（共 38 页）4.20.28=154.21.323.1825【解答】解：117.30.46=255 240.37=8.8840.32l.68=246【解答】解：2.10.7=370.35=207.24=1.87【解答】解：2.7624=66.2412.60.28=458【解答】解：220.515=14.72.641.092.886.30.125=50.40.841.65=1.3869【解答】解：33.656=0.68.960.28=327.120.223.364.13140.3010【解答】解：（1）12.44=3.1（2）45.90.6=76.5（3）510.3=170（4）52.812=4.4（5）75.60.18=420（6）9.60.32=3011【解答】解：132.5=5.254.50.16=340.6250.680.950.72第 32 页（共 38 页）2.050.16=0.32878.611=7.1（商用循环小数表示）6.210.03=20712【解答】解：1.250.25=578.611=7.15.637.80.72 28.280.4=70.70.3035=0.060613【解答】解：1.573.90.400.580.240.14 70.733=2.114【解答】解：64.81.8=3686.691.3；0.653.842.515【解答】解：9.411=0.8 *14412=1214.211=1.216【解答】解：75.60.18=42025.60.032=8002.781.8=5.0045.636.10.92103.33.17【解答】解：3074.29第 33 页（共 38 页）60.93.219.0259.9318【解答】解：（1）6.210.03=207（2）10.845=0.24（3）8.540.7=12.2（4）72.90.9=8119【解答】解：50.966.5=7.849.253.7=2.51574=0.22 6.724.2=1.620【解答】解：（1）1.250.25=5（2）8.40.56=15（3）8.540.7=12.2（4）78.611=7.121【解答】解：4.50.18=0.812.3462.3=1.0270.33.6=253.085.062.2=2.322【解答】解：2.60.25=0.65 29.90.46=65*4.651.33.5823【解答】解：24.60.16=153.7513.962.320.3251.50.226.240.8=7.818.34=4.57519.26=3.224【解答】解：7.050.94=7.51.713.8=0.454.83O.7=6.95.79=0.6第 34 页（共 38 页）38.22.7=14.42.1618=0.121.80.25=7.23.72.2=1.625【解答】解：（1）3.90.26=15（2）9.353.42.8（3）0.170.111.（4）0.1680.7=0.24（5）4.05180.23（6）4.685.4 26【解答】解：21.4515=1.4349.048=6.13217.634=6.411.736=0.3251.6926=0.6554.8127=2.0327【解答】解：25.320.15=168.801.031.20.861.079.20.129.450.3229.5313.510.13103.9217.960.3649.8928【解答】解：47.045.6=8.43.282.7=8.8560.7641.20.9252.920.27=19681.28=6.2515.3612=1.2829【解答】解：0.1950.13=1.53.60.8=4.5 第 35 页（共 38 页）76.760.76=10162.4=2.5 7.0850.65=10.9 9.720.27=3630【解答】解：（1）0.380.23=0.0874（2）5.793.6=20.844（3）4.60.25=1.15（4）624=0.25（5）52.9575=0.706（6）3.017=0.43（7）4.9511=0.45（8）84.0131=2.71（9）0.64619=0.034（10）4.70.59=2.77331【解答】解：（1）15.612=1.3（2）32816=20.5（3）1.3527=0.05（4）0.64619=0.03432【解答】解：45.1515=3.0552.6513=4.0515.752.1=7.58.420.614.030.4360.2=2.189.253.7=2.533【解答】解：6.64=1.6543.529=1.518.927=0.71.3515=0.0937.56=6.2528.611=2.620.424=0.85 第 36 页（共 38 页）3.6452=0.0734【解答】解：0.44832=0.01414.3+6.7=213.80.26=0.98811.328.95=2.3735【解答】解：（1）1.261.8=0.7（2）645.04=322.56（3）43.50.29=150（4）5.630.1343.31（5）27.82.5=11.12（6）9.80.75=7.3536【解答】解：5.024.8=24.0961.35320=432260.13=200482.320.8737【解答】解：0.7560.184.20.350.48=0.1686.025.94=0.0838【解答】解：96.642=2.3 7.7995=0.082；6.30.42=1570.35=200.140.08=1.75428=5.2539【解答】解：7.875=0.1042.552.5=1.02第 37 页（共 38 页）2.51.04=2.640【解答】解：3.510.8=37.880.9326.73.01.421.1=1.241【解答】解：（1）43.812=3.65（2）0.120.25=0.48（3）70.35=20（4）11.629=1.29（5）1311=1.（6）30.133=0.9（7）1912=1.58（8）5.60.07=8042【解答】解：30.645=0.68；4.060.58=7；54.60.91=60；43【解答】解：0.580.080.050.540.018=3013.63=44【解答】解：（1）95.228=3.4（2）46.80.13=360（3）5.637.80.7245【解答】解：0.732.15=1.56957.381.6=4.61255.9527.60.2246【解答】解：3.3818=30.92.7=83.435.9527.60.2247【解答】解：4.8323=0.213.091.5=2.06第 38 页（共 38 页）0.140.08=（验算）48【解答】解：705.6=1