小数简便计算练习题400道(共14页).doc

精选优质文档-倾情为你奉上小数简便计算练习一3.20.364.81.64 0.456.223.78 6.94.83.1 4.025.40.981.293.72.716.3 0.39+0.36+3.64 73.81.6413.85.36 5.171.83.2 7.140.532.47 35.61.815.67.2 66.868.661.34 36.83.96.17.852.340.854.66 13.354.682.65 9.64.83.6 5.272.860.661.63 3.687.562.68 47.87.458.8 3.822.90.189.1 1.27+3.9+0.73+16.1 1.57+0.24+7.43 2.64