北师大小学数学五年级上册脱式计算.doc

脱式计算 姓名：30.8471.3-3.55(16.8+2.1)0.70.96(5.40.9)90(3.6-1.8)3.60.4-1.253.47.83.90.360.3454(3.94+6.86)(3.2+0.12)0.80.1750.25412.7+12.550.499-0.40.656.4-0.655.45.01-1.9+4.993.64-2.5780.250.413.8-0.2540