加减混合运算,绿色圃小学教育网http:/www.L 绿色圃中学资源网http:/cz.L,复习:连加、连减(笔算),262538,701826,2,6,2,5,5,1,3,8,8,9,89,7,0,1,8,5,2,2,6,2,6,26,复习:连加、连减(口算),12820,50306,42830,78188,78406,52128,40,14,20,52,32,48,送给幼儿园33只,还剩多少只?,384233,384233,3,8,4,2,8,0,1,8,0,3,3,4,7,.,47,只,送给幼儿园33只,还剩多少只?,384233,3,8,4,2,8,0,47,只,3,3,4,7,送给幼儿园33只,还剩多少只?,试一试,603840,6,0,3,8,2,2,2,2,4,0,6,2,62,试一试,6,0,3,8,2,2,4,0,6,2,603840,62,1、,502649,453824,742736,445237,73,59,59,83,2、,67,61,51,45,45,39,67,61,51,45,45,39,3、计算下面各题,能口算的就口算。,351440,47168,833029,402615,61,55,81,24,4、,45,37,-,8,棵,8,+,28,36,棵,5、,-,31,64,棵,64,28,36,+,棵,33,