六年级数学题(16) 日期:2010-08-20 16:52:35 人气:2 六年级数学题(16) (1+10%)(1+10&)*80% =1.1*1.1*0.8 =1.21*0.8 =0.968 所以少赚 少赚了1-0.968=0.032=3.2%