笔算减法(连续退位),5.口算下面各题。,13060,70,600200,400,15080,70,8475,1400700,9057,15090,5135,1200500,9,700,33,60,16,700,6.,758,374,4,8,3,232,126,6,0,1,758,379,9,7,3,220,126,4,9,你会算一算、比一比吗?,7.用竖式计算,并验算。,621365,51689,357164,450353,=256,=427,=193,=97,357,164,3,9,450,353,7,9,516,89,7,2,4,621,365,6,5,2,193,+164,7,5,3,97,+353,0,5,4,427,+89,6,1,5,256,+365,1,2,6,验算:,1,8.,我的身高是610厘米。,我比长颈鹿矮375厘米。,大象的身高是多少厘米?,610375,答:大象的身高是235厘米。,235(厘米),610,375,5,3,2,9.春江公园举行花展,其中三种花的数