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时间:2019-05-05
《计算题错题整理》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、计算题错题整理一、直接写出得数0.5×8=3.6×0.4=39.68×0=47.6×1=4÷0.5=12÷0.06=12÷1.2=3÷30=0.15×7=3.2×6+3.2×4=2.5×4×0.36=3×0.9=0.6×0.8=6.03×1000=10×0.6=6.45×0.01=0.1×0.1=0.24×0.5=5.4+3.6=1.25-0.25=10.2×4.5=2.5×6=9×0.25=0.125×4=1.25×8×0.5=16×0.01=1.78÷0.3=0.27÷0.003=0.01÷0.1=1.8×20=x-0.4x=5d-2d=3.6÷0.4=0.6×0.8=2.4×3=0
2、.12×0.7=4÷5=1.1×9=1.6÷0.5=0.2÷0.05=2.5×2.3×4=1.5÷1.5+1.5=50×0.04=80×0.3=3.6-1.2÷2.4=4.7×6+4×4.7=0.5×4÷0.5×4=2.5×0.4=3.6×0.4=38.5×0×0.38=0.2+0.8×0.5=二、竖式计算。7.218÷36 5.93×0.76(保留三位小数) 16.32÷51 验算 3—2.08 5.24÷7.2 3.54×13 2.7+3.13 得数保留两
3、位小数 验算20-5.674 5.84÷0.16 5.4÷0.036 8÷11 用循环小数表示商列竖式计算,得数保留一位小数。1.2×1.4=0.37×8.4=3.14×2.8=列竖式计算,得数保留两位小数。0.85×1.12=0.86×5.4=0.15×2.34=3列竖式计算,得数保留一位小数。40÷14=26.37÷31=45.5÷38=列竖式计算,得数保留一位小数。1560÷35=4.8÷2.3=1.55÷3.9=列竖式计算,得数保留一位小数。7.2÷2.1=3.87÷7=146.4÷
4、13=列竖式计算,得数保留一位小数。5.63÷6.1=2.84×0.03=0.382×0.13=列竖式计算,得数保留两位小数。26.37÷31=32÷42=2.84×0.03=列竖式计算,得数保留两位小数。4.8÷23=0.382×0.13=4.2÷4.5=三、能简算则简算15.89+(6.75-5.89) 5.17-1.8-3.2 13.75-(6.48+3.75)5.4÷0.6+(2.3-0.46) 3.68+7.56-2.68 9.24÷[(2.8+3.2)×0.5]7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 0.
5、25×16.2×460.9+(13.53+5.37)÷10.8 4.8×7.8+78×0.52 4.8×100.133.5-3.5×0.9 5.86+1.8×1.2+4.14 25.48-(9.4-0.52)4.2÷3.5 17.8÷(1.78×4) [(10-2.15×4.6)]×8.51.25×2.5×32 15.2÷0.25÷4 9.24÷[(2.8+3.2)×0.5]40.5÷0.81×1.05 (203.4+72.2)÷(1.3×0.2)97.5÷0.39-136.7 86.4÷0.24×
6、0.2511.16÷(10-0.7) (300-94.8)÷0.563×10.1-63×0.1 12.6÷[3.5-(9.8-8.7)] 0.648÷[(0.4+0.5)×0.6]3.2×1012.31×1.2×0.5 99×4.3 132-43.7-56.3 4.2×99+4.2 12.78-(4.97+2.78) 63.4÷2.5÷0.4 0.8+0.88+0.224.6×0.35+4.6×0.65 23.4-0.8-13.4-7.2 (1.25+0.25)×4 2.95×101-2.95
7、 4.9÷1435÷(0.35×2) 3.14×1.9+31.4×0.81四、解方程4(x+0.3)=4.8 1.2x-0.8x=9.6 20+x=367x-55=590.7x=4.212.4÷x=31(10-7.5)x=1X×1.8=0.972 0.06×X=1.02 0.7(x+0.9)=42 X÷0.13=0.70.52×5-4x=0.6 x+3.86=5.46 17.89-x=12.89 80x÷4﹦12
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