人教版小学五年级下册数学计算专项练习7天每日20题（含答案）

人教版小学五年级下册数学计算专项练习（7天练）第1天计算专项练习（20题）一、小数乘法（5题）2.5×0.43.6×0.20.125×84.8×0.50.75×0.6二、小数除法（5题）1.2÷0.34.5÷0.90.48÷0.067.2÷0.80.36÷0.4三、解方程（5题）x+3.5=7.8x−2.1=4.52x=6.8x÷0.5=9.23x+2=11四、简便运算（5题）2.5×3.2×0.41.25×4.8×0.9+0.487.5×101−7.53.6÷2.5÷0.4第1天答案10.7212.40.4545890.9x=4.3x=6.6x=3.4x=4.6x=33.2114.87503.6第2天计算专项练习（20题）一、小数四则混合运算（5题）3.5+2.5×0.47.2−1.8÷0.30.8×4.5+3.56.3÷0.7+2.4×3二、分数与小数互化（5题）0.5=0.25=370.12=三、分数加法（5题）13121四、解方程（5题）4x−1.6=6.40.5x+1.5=4x−0.3x=2.125x+3x=16第2天答案4.51.21.41016.2110.30.35335155x=2x=5x=3x=2x=2第3天计算专项练习（20题）一、小数乘法（笔算，5题）3.05×0.64.8×1.20.72×0.355.6×0.081.25×0.48二、小数除法（笔算，5题）7.2÷0.245.04÷1.80.432÷0.0363.78÷0.421.44÷1.2三、分数减法（5题）54721−四、简便运算（5题）3.8×9.90.45×1026.5×2.3+6.5×7.78.4÷0.4÷2.12.5×0.8+7.5×0.8第3天答案1.835.760.2520.4480.6302.81291.23315237.6245.965108第4天计算专项练习（20题）一、小数四则混合运算（5题）2.4×10−1.8×3.50.6×0.8+0.4×0.87.5÷4.8÷0.6+1.2×5二、分数加减混合运算（5题）15271−三、解方程（5题）3x+4.5=13.56x−2.4=7.20.8x+0.2x=54x+0.6x=3.2四、小数与分数互化及计算（5题）0.3+30.6+50.75+第4天答案1.683.70.8101453127x=3x=1.6x=5x=2x=20.80.251113第5天计算专项练习（20题）一、小数乘法（口算+笔算，5题）0.8×0.51.2×0.73.08×0.20.45×1.62.5×3.6二、小数除法（口算+笔算，5题）0.9÷0.34.2÷0.76.3÷0.092.88÷1.20.54÷0.18三、简便运算（5题）2.5×4.43.6×0.995.2×1.1−0.529.9×4.5+4.512.5÷0.5÷0.2四、解方程（5题）x−0.4x=2.43x+2.1=8.15x−3×1.2=6.40.6x+1.4=3.22第5天答案0.40.840.6160.72936702.43113.5645.245125x=4x=2x=2x=3x=2第6天计算专项练习（20题）一、小数四则混合运算（5题）1.8×2.5+3.28.4−4.4÷2.23.6+2.47.2÷1.2+0.8×50.4×二、分数加减混合运算（5题）35147三、小数与分数互化（5题）0.15=0.65=9130.08=四、综合计算（5题）0.4+21.25×0.8÷0.54.5÷0.9×1.25第6天答案7.76.43101.61271143130.450.2620.87260.6第7天计算专项练习（20题）一、小数乘法（笔算，5题）4.05×0.80.36×1.55.2×0.071.25×0.723.8×0.25二、小数除法（笔算，5题）8.4÷0.286.48÷1.80.396÷0.064.32÷1.67.56÷0.42三、解方程（5题）3x+5.4=12.47x−4.2=5.6x+0.8x=4.550.7x−0.3x=1.2四、简便运算（5题）2.5×3.2×1.254.8×1.016.3×2.7+3.7×2.710.1