小数的四则运算练习题100道

小数的四则运算练习题100道小数运算在日常生活与工作中应用广泛，从购物消费到工程测量，精准的小数计算能力都是不可或缺的基础。以下为您精心编排了100道小数四则运算练习题，涵盖基础运算与混合运算，旨在帮助您熟悉运算规则、提升计算速度与准确性。建议在练习时专注细致，完成后可对照答案进行自查，如有疑问及时梳理知识点，巩固薄弱环节。一、小数加法1.0.5+0.32.1.2+0.83.3.6+2.44.0.78+0.115.2.35+1.656.0.9+0.097.4.05+0.958.1.02+0.389.5.6+0.4410.0.123+0.45611.3.1+2.0912.0.87+1.213.2.5+0.0514.1.6+3.4215.0.33+0.6716.4.8+0.1217.0.55+0.4518.3.08+0.9219.1.7+0.0320.0.6+2.45二、小数减法21.0.9-0.422.1.5-0.723.4.2-1.224.0.85-0.3525.3.6-2.0626.1-0.627.5.0-2.328.0.72-0.2229.2.1-0.0130.1.05-0.5531.4.8-1.932.0.63-0.333.3-0.7834.1.25-0.2535.0.99-0.136.5.4-3.437.0.8-0.0838.2.3-1.3539.0.56-0.0640.6.1-2.09三、小数乘法41.0.2×0.342.1.5×0.243.0.4×0.444.2.5×0.445.0.12×346.0.6×0.0547.3.1×0.848.0.07×0.149.1.1×1.150.0.8×1.2551.2.4×0.552.0.36×0.253.5×0.0854.0.9×0.955.1.02×0.356.0.15×0.457.4.5×0.0258.0.7×0.659.2.2×0.1160.0.03×0.03四、小数除法61.0.8÷0.262.1.2÷0.363.0.9÷0.164.2.4÷0.465.0.72÷0.866.3.5÷0.567.0.45÷0.0968.1÷0.569.0.63÷0.770.4.8÷1.271.0.54÷0.0672.7.2÷0.973.0.36÷0.1274.5.6÷0.0775.0.81÷0.976.2.1÷0.377.0.49÷0.778.6.3÷0.0979.0.25÷0.580.3.2÷0.04五、小数四则混合运算（注意运算顺序）81.0.5+0.5×0.582.1.2-0.2÷0.183.(0.8+0.2)×0.384.3.6÷0.6+2.485.0.4×(1.5-0.5)86.2.5+1.5÷0.387.5-0.2×0.388.0.7×0.7+0.3×0.389.(3.2-1.2)÷0.490.0.9+0.1÷0.0191.4.5÷(0.5+0.4)92.0.6×0.6÷0.693.1.8-(0.8-0.3)94.0.25×4+0.75×495.6.4÷0.8-1.2×0.596.(0.36+0.64)÷0.297.2.2×0.5-0.5×1.298.0.8÷(0.4×0.2)99.3-1.5÷0.5×0.2100.(1.2+2.3)×(3.4-0.4)参考答案一、小数加法1.0.82.2.03.6.04.0.895.4.006.0.997.5.008.1.409.6.0410.0.57911.5.1912.2.0713.2.5514.5.0215.1.0016.4.9217.1.0018.4.0019.1.7320.3.05二、小数减法21.0.522.0.823.3.024.0.5025.1.5426.0.427.2.728.0.5029.2.0930.0.5031.2.932.0.3333.2.2234.1.0035.0.8936.2.037.0.7238.0.9539.0.5040.4.01三、小数乘法41.0.0642.0.3043.0.1644.1.0045.0.3646.0.03047.2.4848.0.00749.1.2150.1.00051.1.2052.0.07253.0.4054.0.8155.0.30656.0.06057.0.09058.0.4259.0.24260.0.0009四、小数除法61.462.463.964.665.0.966.767.568.269.0.970.471.972.873.374.8075.0.976.777.0.778.7079.0.580.80五、小数四则混合运算81.0.7582.-0.883.0.384.8.485.0.486.7.587.4.9488.0.5889.590.10.991.592.0.693.1.394.495.7.496.5