四年级上册小数乘法简便运算练习题.doc

小数乘法简便运算练习题姓名： 班级：一、简便运算0.258.54 12.50.960.8 0.250.7344.3612.58 0.2516.24 1.252.532 3.20.2512.5 二、简便运算(1.250.125)8 4.810.1 3.61020.39990.324013.6510.1 0.859.9三、简便运算3.723.56.283.515.62.115.61.13.834.563.835.44 56.59956.57.0910.80.87.099.7999.7 4.2994.2四、简便运算2.316+2.323+2.3 5.411-5.4 10.716.1-15.110.77.74（2.81.3）1.52.26 10.60.359.60.357.60.80.27.6 3.654.736.50.37五、简便运算1.288.60.728.6 0.65101 8.91.0127.53.77.53.7 3.92.73.97.36.663.3+6.666.7 0.2536六、简便运算4.87.8780.52 1.879.90.187 3.140.6831.40.032 12.79.91.2746572386 3.654.736.50.37 1010.87-0.9187 七、简便计算7.60.8+0.27.6 0.25360.851994.02-3.5+0.98 7.08-0.74-1.26 3.74.5-4.43.728.92-(13.2+8.92) 32.40.913.24