1、6.825.2=2.50.04=10.5+0.5=9.150.3=17.20.86=1.80.1=12.50.80=8直接写得数1.4100=2.802.40.331000=900.0250.32+1.98=14.3+5.7=999+9=9直接写得数0.22+0.8=019.8=0.20.05=1.36+3.64=10直接写得数0.250.5= 0.320.04= 1.251.60.4= 0.546= 5.67=11直接写得数 5.090.545.61=32.10.9=10.212口算752.5=25.4=3.6+4.4=105.2=3.47.813直接写出得数 5.60.5628=360.6
2、4+0.8=0.721.220=6.122.9514口算3.42.70.424.121.53+2.4=4.880=400.41=30.99=104.1=4.615直接写得数3.1453.6=50=12.40.01+0.99=7.67.6=50016直接写得数0.350.30.30.72.44.920.4517口算我最棒0.641.6=10.98.9=2.7+7.2=244.3+2.7=2000.07=4.9=18直接写得数0.825+8=18758=2379=257+0=00.008=0.0016.08052419直接写得数0.635.41.45=4.65=3.543.30.90.360.12
3、=0.149.620直接写得数8.490=1.10.56+4.44=52.9+3.7+2.1=7.68+2.421请你直接写出得数7.50.45=5.7+3.3=6.20.621=0.20.2160=5+3.222直接写出得数23.7+2.63=80.480.350.15=23直接写出得数1.25.32=3.6+1.8=10.73=0.240.12513.224直接写得数 2.50.80.35=3.68=25直接写出得数0.6+0.65=3.91.3=125.20.13=991.01=13.52.87.2=250.32125=26口算 1.2=8.199258827直接写得数0.32=(0.8
4、9)=4.8=2.9=0.0722.128口算0.020.1= 124.3= 360.01= 0.80.125= 2.3+0.8= 0.360.429口算1.2= 4.44= 4.80.4= 130直接写得数9.80.14=16=8.729=0.999.9=5.50.11=13.86.9=31直接写出得数31.9=514.3+15.37=2.910.0212.13.960.5832直接写出得数 9.956.713=12=27=0.040.881.257.533口算0.7824=6.63487034直接算出得数3.8+1.02=7.52x0.7x=3.23.574.5+0.76=35直接写出得数
5、22.40.214238.536直接写出得数4.223.61.8=0.46=21.3=37口算23=6.812.50.1238直接写得数 561.290.29=0.565.35+2.5=0.62552.1=359+402=18.67=8.073.5+0.9=1.2+0.08=(2514)=7.343.31+1.2=0.25+0.2+0.75=39口算0.24=2.37.8+1.2=0.12.52.540直接写出得数109.9=0.67+0.3=8.90.91.049.11.50.3939=300=0.455.8=41口算489642直接写出得数 162212.66.063570=951.343
6、直接写的数3.5=16.82.80.28=44口算下面各题5.740.1645计算12.831.539.697.811.729.483.595.267.846口算:0.960.080.18=5.11.7=100.92=45=47直接写出得数4.51548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=8.6148.349直接写出得数 2.64.47.110.07=50直接写得数0.2919+019=423(100+23)=170320902613=1000.2699+24=3825+1225=
7、500二竖式计算(共50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)0.28 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0.7= 70.35= 7.27用竖式计算并验算2.7624= 12.68用竖式计算220.515=(用乘法验算) 2.641.09=(得数保留两位小数)
8、0.125= 0.841.65=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 45.952.875.611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0.25= 78.611=(商用循环小数示) 5.637.8数保留两位小数) 28.280.4= *0.30313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
9、64.81.8 86.69 0.653.8415竖式计算(带*的要验算)9.411= *14412= 14.216竖式计算0.18 25.60.032 2.781.86.1(得数保留两位小数) 103.3(用循环小数表示)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)72.919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)8.54
10、0.7=(验算) (4)78.611=(商用循环小数表示 )21用竖式计算0.18= 2.3462.3=验算: 70.33.6= 5.062.2=22用竖式计算(带*得数保留两位小数)2.60.25 29.90.46 *4.651.3 23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)(
11、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;36; 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)47.045.6= 3.282.7= 0.7641.252.920.27= 81.28= 15.3629列竖式计算:0.1950.13 3.60.8
12、 76.760.762.4 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)4.70.5931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4
13、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=35用竖式计算 645.04=43.50.29=验算6.1(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 6.30.420.35 0.140.08 42839用竖式计算75=
14、2.552.5= 2.51.04=40列竖式计算10.8 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 0.35 11.62930.133 190.0742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)44列竖式计算,并验算前两个,第三个保留两位小数28= 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 3
15、0.92.7 5.9527.6(得数保留两位小数) 47列竖式计算23= 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 7.21.150用竖式计算7.021.3 29.839.5 0.543.6小数除法计算题(口算300道+竖式200道)答案1【解答】解:0.8=67.54.5=315=0.050.4=1.40.01=1000102.05=7.951.5=0.90.25=161.36+2.87+3.64=7.870.25=0.182【解答】解:0.7=35=0.40.2=58=0.8750.53=100.01=1040=106.55.6=0.90.6=2.16=0.093【解答】解 2=15.10.5=0.028=0.090.06=806.4+3.6=103=0.101.55=8.458=104【解答】解:0.03=307.22=5.22=0.111=8.144=163.1=11.32+81.32+8=1640=0.18 6.250.87+0.13=5.5125=275【解答】解:0.3=210.5=0.925.1+4.9=304=56【
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