一、口算0.6×0.9=7×0.08=1.92×0=4×2.5=1.6×5=4.5＋2.7=6.7－2.3=60×0.8=0.05×0.4=0.93×100=1.2－0.8=10－0.9=2.6×4=3.2÷0.4=8.7＋7=1.04×30=0.12×3=0.39÷0.03=13÷4=6.3÷0.2=1×3.4=2.8×0.5=80÷0.5=7.2÷9=0.8×50=1.3×0.2=2.4÷0.08=45.6÷1=26÷1.3=5÷100=13÷2.6=2.8＋8=6÷0.02=9.8－8.9=4.5×0.2=0÷0.365=0.4×0.02=3.5＋7.6=1.23÷3=2.8＋5.9=0×13.5=5.6÷7=2.4×2.5=0.125×8=0.63÷0.001=2.53×0=0.15×0.1=0.78×0.1=32.1×0.2=0.9÷0.01=7÷0.25=8.5×0.1=20÷0.5=9×0.2＋0.8=1＋0.45=7×0.9=1.2÷3=2.4×0.6=20－6.8=0.84÷0.2=3.5＋3.3×3=0.4＋1.5=8.6－7=0.4×0.9=2.5×4=3.9÷3.9=2.4÷0.08=0.25×4×6=9.6÷0.3=2.3＋4.7=0.5×1.1=0×12.5=5.6÷0.8=3.5×0.2=0÷5.55=0.36÷0.09=4.3－2.3=23.7÷10=1×9.9=2.8÷0.4=0.213×0.05=9.8÷0.7=1.8－0.5=3.2÷32=1.5－0.06=6.2－0.5=0.48÷12=3÷0.5=3.2－2.6=3.2－2.9=21÷0.3=213×5=21.3×5=2.13×0.5=5a－a=1.2×0.4＋1.3×0.4=0.1×0.1=5.4＋7=0.6×0.9=0.78×100=1.85×0=5×0.4＋5×1.6=0.39÷0.03=0.37×10=0.37×100=0.37×1000=25×4=2.5×4=0.25×4=2.8＋8=5×12=5×1.2=5×0.12=13×3=1.3×30=0.13×300=8×0.5=2.4÷4=4.5÷5=12.5＋0.5=16×0.5=1.2÷3=0.3×0.7=7.2÷0.8=24.8－8=3.2÷4=0.23×3=4.8÷6=5.6÷7=0.25×4=1.3×0.2=2÷0.5=0.24÷0.2=0.4÷8=6÷0.02=4.68÷0.02=1÷0.25=1÷8=二、列竖式计算：5.9×0.32=1.72×8.4=4.37×200=3.6×7.8=5.06×12=3.08×0.25=精品学习资料可选择pdf第1页，共4页-----------------------\n53.5×1.2=7.98÷4.2=5.02×1.7=0.368÷0.23=4.37×2.8=3.25×8.1=0.5×18=2.48×60=1.05×0.02=1.08×6.3=12.5×8=6.24÷0.3=18÷12=1.09÷12=28.6÷11=1.17÷9=1÷8=81.9÷39=6.21÷3=0.28×34=0.3×0.75=2.15×6.8=0.468÷12=2.85×5.2=18.9÷2.3≈2.5÷24≈700÷12≈18÷21≈45.86÷2.2≈（得数保留一位小数）（得数保留两位小数）（得数保留三位小数）（得数保留一位小数）（得数保留一位小数）3.74÷1.3≈25.5÷0.65≈19.8÷12=93÷0.31=86.4÷32=（结果保留两位小数）（得数保留一位小数）验验验算算算三、脱式计算（能用简便方法的用简便方法计算）0.125×7224×10.20.73×1023.14×1021.25×6410.1×875.4×10.21.7×1019.5×1015.5×9.819.7×5.3＋4.7×19.73.5×2.34＋3.5×7.667.8×9＋7.84.2×7.8＋2.2×4.20.9＋0.9×9919.4×0.9＋0.1×19.42.3＋9×（22－19.7）6.8×99＋6.8精品学习资料可选择pdf第2页，共4页-----------------------\n2.06＋2.06×991.9×2.34＋1.9×7.664.2×7.8＋2.2×4.22.12×3.5＋7.88×3.57.8×0.24＋0.76×7.83.6×2.3＋0.77×3615.15×6＋15.15×3＋15.152.5×（40－4）12.58×6.4＋3.6×12.583.8×1.96－3.8×0.4676.3×27－76.3×170.6×（10－8.02）（0.38＋0.67）×1.20.25×9.87×41.25×0.25×3.232×0.25×12.512.5×5.7×0.81.25×2.5×8×41.25×0.5×8×0.21.25×1.5×0.80.6×2.5×0.5×40.25×368×4012.5×2.5×0.8×412.5×0.4×2.5×823.7×0.25×832÷0.25÷0.445.6÷2.5÷0.44.8÷0.24÷25.26＋3.14＋4.74＋4.8612.25＋36＋7.756.4＋0.74＋3.7＋0.2618.16－0.23－0.878.59－4.1×0.1－4.595.6×[1.98－（1.45－0.31）]4÷0.8－0.8÷492.4÷3.4÷28.45－0.45×0.14.8＋[1.6÷（2.4÷0.6）][0.15＋（2.4－1.8）]×2017÷[（1.2＋0.5）×5]（3.2－0.299÷0.23）×（8－7.48）5.65×[4.98－（2.4÷0.6）]18.75－0.23×2－4.542.8×5.5×1.35.5×1.52－2.030.71＋0.25×0.4（8.6－1.7）×0.0810－3.8×0.4÷7.61.2×（5.2－2.5）÷0.30.25×[（2.8＋4.4）÷1.2][0.15＋（2.4－1.8）]×20精品学习资料可选择pdf第3页，共4页-----------------------\n（0.59＋0.16）×0.120.87×3.16＋4.646.4÷0.8－1.5×4（1－0.2）÷（1－0.84）17÷[（1.2＋0.8）×5]13.2÷[20.5－（3.6＋5.9）]18.8÷[（8.5＋11.5）÷2]四、解下列方程。x＋52＝96x＋15=19.52x＋9=13.57.2＋5x＝10x＋8=132.5＋x=5.3x－2.7=13x－40=15x－1.6=1.4x＋5.3=10x＋2.5=363x－25=2004x－1.2=7425.5＋3x＝56.44.6＋5.4x＝12.70.6x－6=300.15x－3.8=8.50.8x－6.4＝3.62.5x－25＝57x＋x＝1.529x＋5x=8.47x－2x=480.8x－0.5x=1.27x＋3x＋26=74x÷8=20.82x÷8＝1.253x÷1.2=9.752x－0.5×2＝0.8x÷6=7.83x－9÷0.45=13.69÷0.45＋9x÷3=41.6x÷10=12.54x=505x=752x=4.62.5x=105x=20.20.8x=4.55.4x－x＋57＝189（9x－3x）÷0.45=20x＋2x=933.8x－1.8x=4.026x－x=41x－0.85x=37x＋3x＋26=745.4x＋6.6x=19.25x＋7x=843.8x－x=0.566x－12.8×3=0.06精品学习资料可选择pdf第4页，共4页-----------------------