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时间:2020-03-17
《五年级数学上册小数点乘除法计算题.doc》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、1、直接写出得数.0.45×2.5=0.8×1.25=0.3×3.6=0.3×0.3=10×0.07=0.3×1.4=0.05×7=0.92×0.4=0.2×0.26=0.14×4=0.02×0.1=1.2×0.3=0.2×0.4=8.2+1.8=100-35.22=2.3×4=2.5×0.4=2.4×5=0.22×4=3.25×0=0.9-0.52=3.99×1=0×3.52=12.5×8=8÷10=10-1.8-7.2=0.43+3.57=2.5×4×12=0.9×0.8=7.5x-3x=a+3a+7a==1.05×100=1÷0.5=0.96÷3
2、=1.47÷0.7=5.4÷6= 0.16.5×10=0.56×100=3.78×100=4÷0.8=3.215×100=0.8×10=4.08×100=1.1×0.2=0.6×0.8=3×0.9=2.5×0.4=3.6×0.4=12.5×8=50×0.04=80×0.3=1.1×9= 0.16×5=1.78+2.2=9.6÷0.6=1.2×0.5-0.4=0.7÷0.01=2.5×0.4=12-3.9=1.25×8÷1.25=6.6÷0.66=5.37×0+4.63=3.9+2.03=4.2÷3.5=1.6+2.4×0.3=2.14-0.9=27+4
3、56+73=0.3×0.3=7.2+2.8=0.9÷0.01=12÷0.3=2.87÷0.7=13÷4=0.96÷0.3=1.5×0.4=7÷0.25=2.5×0.7×0.8=8-2.5=16÷1.6=5.6×1.01=8×(2.5+0.25)=0.36+0.64=64.32÷16=4.2÷0.1=72.8÷0.8=8.4÷4.2=13.8+9.9=2.4×2.5=0.05×0.8=2.56-0.37=1.25×0.8×0.5=12×2.5=1.23×3=3.2÷1.6=3.5+3.5×3=19.6÷2=8.8÷2.2=0.75×4=(1.5+0.25
4、)×4=0.5×0.8=8.4×0.2=1.6×0.2=7.2×0.3=2.8×0.3=0.9÷0.15=1.8×0.4=5.5÷0.55=0.08×100= 2.2÷0.11=5.46+4.54=12.5×0.8=0.35×0.3=1.4×5=2.8×4=19.6÷4=22.5×4=2、用竖式计算 0.396÷1.2=0.756÷0.36=15.6×13=0.18×15=0.025×14=3.06×36=0.04×0.12=3.84×2.6≈5.76×3=(保留一位小数)7.15×2290.75÷3.33.68×0.2516.9÷0.131.55÷3
5、.93.7×0.01613.76×0.8=5.2×0.68.4×1.3 6.4×0.54.48×0.45.25×5 35.4×4.20.042×0.540.76×0.32 0.25×0.0462.52×3.41.08×25 0.12×0.5×0.16=4.8×0.25=0.125×1.4≈(保留两位小数)2.5÷0.7=(保留三位小数)10.1÷3.3=(商用循环小数)10.75÷12.5=(用乘法验算)3.25×9.04=(用除法验算)3、脱式计算(能简算的要简算)2.5×7.1×416.12×99+16.125.2×0.9+0.97.28×99+7
6、.284.3×50×0.264-2.64×0.526×15.7+15.7×24(2.275+0.625)×0.28 3.94+34.3×0.21.2×(9.6÷2.4)÷4.88.9×1.1×4.72.7×5.4×3.93.6×9.85-5.46 8.05×3.4+7.66.58×4.5×0.92.8×0.5+1.5832+4.9-0.94.8-4.8×0.5(1.25-0.125)×84.8×100.156.5×99+56.57.09×10.8-0.8×7.094.85+0.35÷1.48.7×17.4-8.7×7.4 12.5×0.4×2.5×80
7、.87×3.16+4.649.5×101 0.68÷(5.2-3.5)×1.25 40.5÷0.81×0.184.8×(15÷2.4)2.13.×0.×82576.81+6.81×990.25×185×404.4×0.8-3.4×0.8(9.37+9.37+9.37+9.37)×2.54.2.×1.+1.×1.752.37×6.3+2.37×3.72.5×1.25×0.323.8×10.12.5×(3.8×0.04)7.69×1013.8×10.1 0.25×39+0.250.125×7246×0.33+54×0.33(8×5.27)×1.256.81
8、+6.81×990.25×185×406.8×0.75÷0.53.75÷0.125–2.751
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