课件42张PPT。摘苹果9136602980783573相同数位数相加,先从个位数加起。个位满十别着急,请向十位去进一。数学乐园第一关:火眼金睛283032788082172021第二关:数学快车道87443865527693第二关:数学快车道85423663507491第二关:数学快车道778057626960第三关:算一算,比一比第四关:数学小陷阱○○○○把对的得数圈出来59 + 5 = 悄悄算!73 + 8 = 悄悄算!6 + 26 = 悄悄算!9 + 42 = 悄悄算!7 + 54 = 悄悄算!24 + 60= 悄悄算!32 + 8 = 悄悄算!48 + 5 = 悄悄算!56 + 4 = 悄悄算!4 + 27 = 悄悄算!67 + 6 = 悄悄算!16 + 4 = 悄悄算!抢答!59 + 5 = 64抢答!73 + 8 = 81抢答!6 + 26 = 32抢答!9 + 42 = 51抢答!7 + 54 = 61抢答!24 + 60= 84抢答!32 + 8 = 40抢答!48 + 5 = 53抢答!56 + 4 = 60抢答!4 + 27 = 31抢答!67 + 6 = 73抢答!16 + 4 = 20648132516184405360317320谁是小冠军?胜
利
啦
!比大小,看谁行!25+25+二十多三十多解题小专家