【9A文】五年级数学计算题

发布于:2021-10-25 18:10:21

【MeiWei_81 重点借鉴文档】 五年级上册计算题 一、用竖式计算: 0.37×2.4=1.55÷3.8≈(保留一位小数) 56.5×0.24=93.6÷0.052= 0.59×0.027=6.72÷6.4= 1.24×0.15=0.39÷7.8= 1.03×5.9=3.8÷4.5≈(得数保留两位小数) 0.86×1.2=5.63÷6.1≈(得数保留两位小数) 7.6×0.910.5×0.34.25×0.18(得数保留一位小数) 0.3÷0.12104.78÷26(得数保留一位小数)34.2÷0.8 验算 3.5×16=0.19×7.5=验算 227.8÷0.34=7.525÷0.38=(得数精确到百分位) 36×5.5 18×3.06 3.45×21 0.28×0.25150×0.120.87×1.5 0.03÷0.12=验算:52.78÷26=验算: 1.86×0.473.81÷7(得数保留两位小数) 0.4×0.076 1.5×0.062 6.5×0.04 二、递等式计算,能简便的用简便方法计算。 5.5×8.2+1.8×5.50.25×0.89×44.8×0.98 8.8×1.257.65÷0.85+1.123.4÷5.2×3.2 2.35×4.64+5.36×2.3512.5×1.36×0.82.6×10.1 4.4×0.2525.2÷12+2.943.5÷15-1.45 1.87×3.05+8.13×3.051.25×0.45×0.89.8×3.7 0.44×2.52.25×0.4+0.631.04÷3.2-4.7 【MeiWei_81 重点借鉴文档】 【MeiWei_81 重点借鉴文档】 3.26×10.1-0.1×3.260.125×9.8×8102×4.8 2.4×2.5(27.8-15.6)×0.89.12÷57+4.84 12.6×9990÷25÷4 1.39×6.1+3.9×1.390.25×1.6×0.410.1×1.9 2.4×1.250.48×20.2-4.242.72÷0.48+0.52 1.2×2.5+0.8×2.52.33×0.25×4102×0.45 8.8×1.257.06×2.4-5.70.21÷1.4+2.6 8.7×10.17.06×2.4-5.76.35÷0.8÷1.25 23.4÷7.8-2.35.4+4.6×150.84÷7+0.36×8 2.5×6.8×0.42.5×3.2×1.2521.36÷0.8×2.9 5.65×1.8+4.35×1.82.5×1.25×3.2 63×10.19.76×0.72-0.76×0.72+0.72 三、解方程 1.8R=72R÷5.4=1.2R-32.5=94 91÷R=1.31.2R÷2=60(R-4)×0.5=10 4R+1.2×5=24.48R-5R=276R-10.8=13.2 x-1.9 ? 7.8 x ? 6.5 ? 1.8 x ? 4.6 ? 19.8 6x ? 10.8 5.16? x ? 23.36 x ?0.24 ? 9.5 1.6x ? 3.2 ? 9.6 4x-3?9 ? 29 5.5+R=8R-6=8.43R=2.7 0.4R=16R÷7=0.311R=1.1 9R÷4=1353R-1.6=32.61.5×30-5R=10 2R+1.5R=42(R-3)÷2=7.58(R-6.2)=41.6 1.8R=72R÷5.4=1.2R-32.5=94 R+4.2=14.816+8R=404R-3×9=29 5R+3R=33.6R-0.36R=165.4R+R=12 2(3+R)=9.20.85(R-6)=5.10.5R+0.8R=0.39 5.4R+R=12.8 【MeiWei_81 重点借鉴文档】

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