1、1、直接写出得数。0.325=1.80.3=3.2-0.1=0.270.03=1.820=0.010.1=6.510=800.3=180.01=2.5-2.55=04.61=0.032.3=1.250.8=0.420.7=1.55=5.10.3=2.30.4=5.6+5.4=0.254=6.362.6=2、用竖式计算:0.372.41.553.8(保留一位小数)3、递等式计算,能简便的用简便方法计算。5.58.21.85.50.250.8944.80.988.81.257.650.85+1.123.45.23.24、解方程1.8x=72x5.4=1.2x32.5=940.45=4.20.2=4
2、.2-1.6=21.70.07=1.67=25.255=1.258=600.9= 1 / 9 0.80.1=07.05=0.42.5=1.73.30.2=2、用竖式计算:56.50.2493.60.0523、递等式计算,能简便的用简便方法计算。2.354.645.362.3512.51.360.82.610.14.40.2525.212+2.943.5151.45四、解方程(共 18 分) 。91X=1.31.2 x 2 = 60( x4)0.5=104X+1.25=24.48X5X=276x10.8=13.21、直接写出得数。1.258=3.610=6.30.37=2.60.02=0.115
3、=4.84=0.254=1.120.3=0.80.5=07.05=1.530=3.56.520=2、用竖式计算:0.590.0276.726.43、递等式计算,能简便的用简便方法计算。1.873.058.133.051.250.450.89.83.70.442.52.250.4+0.631.043.21、直接写出得数。1.258=3.610=6.30.37=2.60.02=0.115=4.84=0.254=1.120.3=0.80.5=07.05=1.530=3.56.520=2、用竖式计算:1.240.150.397.83、递等式计算,能简便的用简便方法计算。3.2610.10.13.260
4、.1259.881024.82.42.5(27.815.6)0.89.12574.8412.699902541、直接写出得数。1.258=2.8100=6.30.37=2.60.02=0.135=9.66=0.254=2.340.2=0.61.5=07.05=2.320=4.35.71.9=2、用竖式计算:1.035.93.84.5(得数保留两位小数)3、递等式计算,能简便的用简便方法计算。1.396.13.91.390.251.60.410.11.92.41.250.4820.24.242.720.480.5284 51.81. 4 42.61 1. 714 41 04013 0()13 0
5、()1、直接写出得数。1.258=10.125=6.130=3.90.65=2.45=102.5=0.370.4=2.340.2=2.54=021.35=1.60.5=4.35.71.9=2、用竖式计算:0.861.25.636.1(得数保留两位小数)3、递等式计算,能简便的用简便方法计算。1.22.50.82.52.330.2541020.458.81.257.062.45.70.211.42.6一、直接写出得数。1.54=5.81.2=450.2=4.088=0.540.6=3.12.9=0.123=0.40.7=0.321000=7100=0.80.02=0.840.3=二、竖式计算。(
6、1) 7.60.9(2) 10.50. 3(3) 4.250.18(得数保留一位小数)三、递等式计算,能简算的要简算。 (每题 5 分,共 60 分)8.710.17.062.45.76.350.81.2523.47.82.35.4+4.6150.847+0.368四、解下列方程。5.5X=8X6=8.43X=2.70.4X=16X7=0.311X=1.1一、直接写出得数。3.680.01=91.5=0.40.5=0.440.6=2.50.4=0.1258=3.60.4=3.927.2=二、竖式计算。(4) 0.30.12(5)104.7826 得数保留一位小数(6) 34.20.8 验算三、
7、递等式计算,能简算的要简算。2.56.80.42.53.21.2521.360.82.9四、解下列方程。9X4=1353X1.6=32.61.5305X=102X1.5X =42(X3)2=7.58(X6.2)= 41.6口算253=246=0.165=1.780.2=2.53=2.46=1.25=0.70.01=2.50.3=2.40.6=7510=0.70.01=2.50.03=2.40.06=2.37+3.7=3.54+6.46=2.50.4=1250.8=258=9.60.6=二、 列竖式计算。 (验算)(得数精确到百分位) (得数用循环小数表示)3.516=0.197.5=227.8
8、0.34=7.5250.38=78.611=三、计算下列各题。 (能简算的要简算,并写出主要过程)5.651.8+4.351.82.51.253.26310.19.760.720.760.72+0.72 6 / 9 四、解方程。1.8x=72x5.4=1.2x32.5=94x+4.2=14.816+8x=404x39=29口算题5.63=2.82+3.18=4411=1.5+0.25=0.313=3310=10.81=9.080+9=0.10.1=1.5+0.25=6.081000=0.5+11+0.5=6.44=1.50.3=4.23=1.85=21.75=10.6-2.7=1.60.25=
9、0.2541.2=二、用竖式计算。365.5183.063.45210.280.251500.120.871.5三、递等式计算,能简算的要简算。1020.458.277.521.733.520.79990.790.15 0.75187282.530.22.83.23.27.2四、解方程2X2.82=10.42(X2.6)=8X2.4X = 5.1 7 / 9 5X3X=33.6X0.36X=165.4XX=12.8一、口算题2.05+0.75=8.40.4=2.30.1=4.2150=4.50.5=7.20.8=3-0.98=8.950.895=3.80.01=60.25=0.0110=0.1
10、+0.199=4.23=2.51.2=100-60.8=10.4+7=4.580=19.6-1.8=7287=13.55=二、用竖式计算。新 课 标 第一网0.40.0761.50.0626.50.04三、计算下面各题,怎样算简便就怎样算。28.30.12.758.360.518.21.018.50.79980.79 20.481.250.255.80.4四、解方程。 (40 分)3.6x0.8x=26.61.2x2=1202(3+x)=9.20.85(x6)=5.10.5x+0.8x=0.395.4x+x=12.8一、口算题564=7216=7212=482= 8 / 9 5.64=7.21
11、6=7.212=4.82=0.140.3=1.80.5=1025=5117=1.2-0.02=3.8+4.9=03.5=3.53.5=9.28.6=10.18.1=180.2=100.05=3.40.3=20100=1.86=3.591.9=二、用竖式计算0.030.12=验算:52.7826=验算:1.860.473.817(得数保留两位小数)5.871.9(得数保留两位小数)三、计算下面各题。能简便的用简便方法计算4.050.5+10.7521.60.81.256.82.7+2.73.28.46.9(6.444.14)0.381024.82.542.476.5+7.536.50.651014.121.781.223.6+6.41.5四、解方程。50
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