1、1.25= 25.73.29= 6.7125.7= 6.556.5= 10.85= 4.733.9= 47.339= 47.30.39= 0.4730.39= 2.45= 11.25= 0.450.09= 6.20.03= 90.18= 0.2516= 0.1250.125= 0.78= 9.94= 3.054= 6.82= 1.05 4.221= 5.642.1= 1.2580= 17.57.52= 0.771.1= 1.20.08=小数乘法计算(3)8-0.52= 2.53.6= 9.46= 5.080.92= 1.23.6= 1.41.2=5.60.9= 8.21.1= 0.73.51.
2、6= 0.270.036= 0.1250=6.643.3= 12.588= 4.26=10.235= 5.63.5= 7.248=527.2= 16.7-0.92-1.08= 16.8+1.6=1.84.5= 3.8+5.6= 0.71.8+0.28= 13.56= 5.042.1=22.60.33= 3.250.98= 0.752.30.75= 3.50.1= 0.093.6=2000.04= 12-1.2= 1.30.420.6= 3.20.5= 0.210.3=2.5-1.37= 5.52.15= 100.56=7.381.6= 8.40.26= 5.517.3=小数乘法计算(4)6.7
3、5.5= 0.50.7= 0.83.2= 1.54= 54.8= 0.75+0.8=0.134= 8.5100= 5.410=4.21000= 3.2100= 0.453.60.1= 0.180.3= 1.20.490.7= 8.51.7= 0.0425=9.7823.2= 53.73-17.49= 8.76+0.351=42.4+7.6= 1.58+2.42= 7.8-5.6=1.254= 7.80.5= 3.9+2.7=0.240.3= 2.54= 0.38= 5.75.7= 04.8=777.7= 12-3.8= 8.1-0.05=0.3 = 0.20.5= 2.54.450.2= 71
4、.3= 0.960.06=0.3= 0.350.7= 8.89+0.1=小数乘法计算(5)481.25= 13+0.70.250.5= 72.1= 1-0.12=240.25= 0.10.01= 2.40.8=90.4= 100.01= 30.2-3.02=4.3-0.25= 1-0.82= 9.62.60.01= 025.4= 4.80.2=5.4+4.62= 9-3.2= (1.5+2.4) 1.7+1.30.4= 3.623.6= 8.50.5+0.6=7.20.8= 5.40.6= 9.5102.5= 350.05= 0.640.5= 6.450.01= 0.360.03=0.080.
5、001= 0.010.2= 7.52.5=8.80.2= 0.966= 0.755= 0.081000= 0.16.7=1.60.5= 2.54= 0.74小数乘法计算(6)3= 3.740= 0.80.6= 0.050.08= 801.25= 0.137=4= 2.80.5= 3.5200=1.50.06= 0.7515= 0.40.25= 0.36+1.54= 1.0199=42042= 1740= 10063=3.2+1.68= 2.80.4= 0.32500=0.65+4.35= 105.4= 3.51.50.06= 0.40.8= 40.25=1.0199= 0.16.7= 0.08
6、1000=0.5= 2.50.4= 7.50.740.4= 3.740= 0.080.0058= 800.5= 0.5 8.2+2.6= 7.160.4= 125小数除法(1)2.50.5= 6.450.01= 0.360.080.01= 0.010.2= 7.58.82.2= 0.966= 0.752.62= 9.64.8= 31.52=2.42= 6.44= 0.63+3=0.9113= 3.25+0.75= 0.90.254= 4.88= 0.5+0.5500.8= 100.05= 0.130.21100= 0.74= 0.050.3= 12.58= 2.33.250= 2.63= 7.
7、509.8= 1.250.25= 34= 8.47= 8.40.7= 8.2+1.8=30.44= 0.340.17= 0.721.3= 03.65= 7.821= 小数除法(2)0.0010.1= 1.40.7= 3.65.60.9= 5.61.4= 0.484.40.11= 4.23= 3.20.30.01= 40.5= 5.11.7=0.281.4= 0.90.45= 9.60.16=11= 7.51.5=0.819= 30.5= 106.40.16= 03.89= 3.523.729.9+3.72= 6.44= 1.510.40.4= 381.9= 6.420.393= 1.255=
8、4.85= 7.23= 2.20.4= 2.52.8= 5.9-4.3=0.850.5+4.6= 5.94.3= 959 1.620.4+2.5= 2.50.5-0.2= 2.032-2.4=小数混合计算(1)1.650.5+0.5= 0.90.4+0.8= 4.2+5.8-3.4=7.5-0.9= 05.8= 0.48+20.360.9= 1.629912= 7.54= 1.20.4+1.3=2.80.4= 1.20.5-0.4= 2.51.28= 5.370+4.63= 1.62.43.70.016= 532.07= 16.90.13=2.032= 40.5= 78.89+0.1= 240
9、.25= 0.10.8= 90.4= 1030.2-3.02= 4.3-0.25= 1-0.82=9.60.3= 2.60.01= 025.4=4.84= 1.7+0.43+3.3=0.4= 5.240.99= 10.650.22=小数混合计算(2)1= 4.394.390.1= 0.72= 0.70.7+0.7= 0.31.21= 1.211.58+2.42= 7.8-5.6= 1.257.80.5= 3.9+2.7= 0.244= 0.310= 1.255.75.7= 04.8= 777.7=12-3.8= 8.1-0.05= 16.738.530.99= 7.30.5= 5.80.29=
10、580290= 8.618+1.4= 2.818=(8.6+1.4)18= 0.10.2= 3.5+7.5=4.20.1= 991.233= 0.3612= 8.5100=5.410= 4.21000= 2 0.450.15= 3.60.1= 18综合练习(1)1.20.3= 0.490.7= 8.51.7= 0.0425= 9.7823.2= 53.73-17.49=8.76+0.351= 42.4+7.6= 6.450.360.03= 0.080.001= 0.017.52.5= 8.80.2= 0.960.750.5= 0.75= 0.080.16.7= 1.63= 00.4= 5.4+
11、4.62.8= 9-3.20.4= (1.5+2.4)0.2= 1.7+1.323.6= 8.50.5+0.6= 7.20.8= 0.6= 9.50.1= 10350.05= 0.640.4= 2.53.20.3= 2.5-1.37=5.511= 0.75= 3.5综合练习(2)0.270.036= 1250= 6.643.3=1.820.7= 0.532= 3.29.46= 0.80.92= 0.365.52= 4.88= 40.8= 4.98+0.62= 9.63-1.52= 23.1= 2.40.5= 0.1258-0.1= 0.486= 6.4-4=0.63+3= 0.9113= 3.
12、25+0.75=9.9-0.90.1= 1740= 100-63=3.2+1.68= 0.5+0.50.5= 500.9933= 4.50.1= 6.41.37= 20.4= 2.1400.4= 14-7.4= 1.920.04=0.40.2= 1.7-0.47=5-0.05= 2.53= 3 综合练习(3)0.32500= 0.65+4.35= 10-5.4=420= 3.5200= 1.5-0.06=15= 5.52= 964.8= 2= 3.15= 52.4=8-0.1= 0.481.3= 3.25+0.75=3.2+1.68= 4.80.8= 0.990.33= 44.50.1= 2.
13、48= 1.37= 210= 2.814-7.4= 1.920.04= 0.40.58+0.26= 1.46= 6.44.98+0.62= 1.7-0.47= 5-0.05=0.25= 0.32500= 综合练习(4)0.65+4.35= 10-5.4= 420= 200= 1.5-0.06= 0.752= 40.25= 0.36+1.54=99= 42035= 2512= 1350.5= 0.5117= 32.8+19=5.21.3= 1.60.4= 4.95= 612= 0.87-0.49= 0.1= 430.1= 20012-1.2= 130.5= 0.426.37= 0.210.3=
14、5.6911= 1.53-0.5= 7.8+0.9= 7.5-2.5= 120.4= 0.56+4.44=2.9+3.7+2.1= 40.25= 1.258+2.48= 1+0.1= 0.4+0.42=1-0.5= 0.3+0.7= 42.8-4.28= 综合练习(5)9.7-2= 0.9-0.89= 3.5+0.5=5-0.64= 6.3+7= 7.2+2.8=0.27-0.2= 14= 2.540.5= 42.96= 0.530.1= 10.5= 1.43.07100= 0.360.6= 4.7+2.3=2= 6.9-2.5= 7.263.4= 0.62-0.32= 1.40.75100=
15、 0.020.5= 3.67= 5.6100= 0.758= 4.80.3= 0.9620=0.5628= 0.360.4= 0.640.723.6= 3.624= 0.81.1=7.2+12.8= 46.7-3.8= 12.813= 12.55= 1.6441= 综合练习(6)0.01= 1.919= 0.151.01= 0.758= 01.69=10= 10.25= 03.7=2.0810= 0.40.5= 0.051.73= 32.2= 7.60.3= 9.91.1= 0.250.250.05= 0.150.4= 0.050.637= 7.23.6= 0.810.9=4.30= 0.30
16、.16= 612=0.880.4= 1220= 0.810.25= 70.01= 0.050.020.03= 0.813= 1.060.20.35= 2.70.2= 0.456= 0.050.8= 2.40.2= 6= 2.132= 0.25 综合练习(7)1020= 2415= 8.650.350.6= 3.080.01= 4.956.90.1= 0.40.5= 2.410.89= 9.60.8= 0.1084.950.9= 9.650.1= 0.3258= 0.560.7= 0.1253.280.1= 3.90.13= 7.20.1= 0.010.1= 0.250.4= 1.62.5= 1
17、.250.8= 3.201.7= 0.22102= 9.60.24= 4.5-0.05= 5.216.50.5= 50.12= 0.524=0.5= 2.8+4.2= 0.843.8+5.6= 10.001= 2.70.9610= 8.40.1= 0.96小数的加法减法乘除法(1)0.850.2 0.810.59 0.60.30.819.6 0.570.1 0.980.30.183.4 0.430.62 0.710.480.440.3 0.183.9 0.640.810.30.81 0.60.28 0.31.50.80.7 0.290.4 0.310.610.20.33= 0.571 0.85
18、0.90.840.16 0.330.11 0.8150.97.9 0.436.5 0.76.20.80.21 0.991.1 0.850.60.96.6 0.840.1 0.60.570.490.1 0.512.8 0.680.90.65.2 0.460.67 0.53.90.878.7 4.40.5 32.40.060.2 0.97.5 8.731.4 0.33 0.828.2小数的加法减法乘除法(2)2.85.6 1.892.1 0.90.4152.5 0.94.3 0.480.81.467.3 7.769.7 7.30.22.6 60.5 1.890.30.1 9.93 5.10.89.
19、7 9.30.1 2.730.736.4 3.56 0.727.20.3 2.726.8 0.80.54.3 4.16 0.22.10.672 40.66 0.93130.43 0.591.5 41.21.162.5 0.490.5 0.90.961.5 0.841.5 0.740.53.50.82 1.143 1.50.7284 0.552.5 1.18440.27 0.692 20.27小数的加减乘除法混合运算(1)1.2204 0.718.012.757.21.948.1 1.21.24.89.890.315.69 0.310.810.395.010.20.07 0.090.140.41
20、3.020.30.4 7.431.4337.40.627.024.6 6.211.218.650.693.4 3.020.60.83.040.50.8 8.514.5154.75.030.40.07 7.514.5133.67.790.616.39 1.040.50.650.60.529.5 9.010.697.3164.60.729.3 45.40.19.96.431.4357.3 0.7920.65.211.218.24 0.658.056.6小数的加减乘除法混合运算(2)5.010.40.05 0.370.40.333.010.20.05 8.730.777.237.81.92.1 1.030.50.075.48.62.6 4.321.324.4266.60.149.9 7.615.612.463.030.70.08 5.010.30.050.9 2.50.2 0.50.30.4 0.50.4 0.020.60.6 0.020.2 0.080.50.5 0.040.4 0.080.9小数的加减乘除法混合运算(3)12.5 0.020.7 0.020.2 0.90.8 0.080.5 0.20.7 50.7
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