小学六年级数学总复习“简便计算”部分一、口算。102.65 03.8 90.08 240.4 67.50.25 614.4 0.770.3351.41.6 800.125= 3 =731二、用简便方法计算下面各题。1125997 998+1246 4 +3.25 +6.83212 (1 +2 ) 4001258 25（378）527( )12 1 2 34(2 )41643573411258.8 4.354.253.653.75 3.4993.417.158.471.53 17 3 4 2 659751920.1250.2532 22.32.455.34.55 187.711187.7( + )72 4.253 (2 1 ) 43 57.125 0.51287456543872121
