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1、计算训练一计算训练一1、直接写出得数.6 分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=2、用竖式计算:6 分0.372.4 1.553.8保留一位小数3、递等式计算;能简便的用简便方法计算.18 分5.58.21.85.5 0.250.894 4.80.988.81.25 7.650.85+1.1 23.45.23.21、直接写出得数.6 分0.45=4.20.2=4.2-1.6=21.70.07=1.67=25.255=1.258=600.9=0.80.1=07.
2、05=0.42.5=1.73.30.2=2、用竖式计算:6 分56.50.24 93.60.0523、递等式计算;能简便的用简便方法计算.18 分2.354.645.362.35 12.51.360.8 2.610.1 25.212+2.9 43.5151.451、直接写出得数.6 分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:6 分0.590.027 6.726.43、递等式计算;能简便的用简便方法计算.18 分1.873.058.133.05 1.250.4
3、50.8 9.83.70.442.5 2.250.4+0.6 31.043.24.71、直接写出得数.6 分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:6 分1.240.15 0.397.83、递等式计算;能简便的用简便方法计算.18 分3.2610.10.13.26 0.1259.88 1024.82.42.5 27.815.60.8 9.12574.841、直接写出得数.6 分1.258=2.8100=6.30.37=2.60.02=0.135=9.66=0
4、.254=2.340.2=0.61.5=07.05=2.320=4.35.71.9=2、用竖式计算:6 分1.035.9 3.84.5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.18 分1.396.13.91.39 0.251.60.4 10.11.92.41.25 0.4820.24.2 42.720.480.521、直接写出得数.6 分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:6 分0.861.2 5.636.1得数保留两位小数3、递等式计
5、算;能简便的用简便方法计算.18 分1.22.50.82.5 2.330.254 1020.458.81.25 7.062.45.7 0.211.42.630.814-9.85+1.07 60-9.5+28.90.182.8810.43-0.243.5202.44-1.80.4+0.15 28-3.4+1.252.42.557.1+2.457.17779+111130.815.5-3.21+5.7931.8+3.24 531.546+30.64257.8+2.222.5+2.5236.254.259.9 51807056242.42.50.84121+2389767115-97446912+1
6、49219.46.12.35.670.2-0.6218.10.92+3.930.40.70.25 0.78+5.436+14.8 54+149.9x56+5610.34x89-1314.31x56-5616.59x18-14x2720.3x29+1335.9564-4536.178-14556+427.20.8-1.256.54.8-1.2428-3.4+1.252.42.557.1+2.457.17779+1111331.8+3.24531.546+30.64257.8+2.222.5+2.52 19464.81.80.936.724.259.951807056242.42.50.84121+2389767115-97446912+14924053213-318919.46.12.35.670.2-0.6218.10.92+3.930.04324+0.8750.40.70.250.78+5.436+1