苏教版四年级上册小数计算专项练习.doc

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1、亮点教育2017/12/13小数计算专项练习计算。1、直接写出得数。0.2×0.4=2.8÷0.7=0.307×100=5.6÷10=0.76-0．6=1.8÷0.3=1.2×100=6.4÷0.02=5.6÷10=0.21÷0.7=0.2×0.4=0.5＋0.3=1.2－0.7=0.45＋0.25=1－0.47=0.6×0.7=　9×0.04=0.8×100=1.4×0.5=2.6÷2=1÷0.2=6.4÷0.08=25÷1000=0.2+0.8=　　　9.8-1.2=0.48×1000=0.051×100=0.07÷10=6.8÷100=41.3÷1000=3.5×10﹦4

2、.6÷100﹦100×0.9﹦4÷0.5﹦0.85－0.05﹦0.7＋0.23﹦1.5×6﹦0.2×0.5﹦9.6÷4﹦0.54÷0.6﹦2、竖式。2.)列竖式计算。（带*号要验算。）3.25×8=50.4÷48=*1.21×18=验算  8.06×0.25=4.62÷1.5=*7.93÷2.6=验算亮点教育2017/12/1353.3+2.47=4.3-2.18=0.37×2.5=7.26÷2.4=0.13×2.04=0.144÷0.4=9.75×1.5=3.8÷0.27=96÷0.64=16.9÷0.25=14.4÷0.18=1.3÷0.026=亮点教育2017/12/13

3、3、怎样算简便就怎样算。3.1+25.78+6.90.59+2.94+1.4115.25+4.72+4.75+5.284.02×3.02＋4.02×6.987.09×10.8－0.8×7.0949.5＋4.95×0.9 7.2×0.6+0.4×7.23.7×1.020.25×240.25×32×1.2516.8×10.10.25×9.98.44-(5.44+6.3)2.18－（1.45－0.13）7.28×0.25+2.72÷4   亮点教育2017/12/13〔（11.04-1.76）×0.75〕÷0.150.8×［（1.45－0.13）÷0.15］