天气预报 > 其他 > 一位数除几十几的口算
一位数除几十几的口算
更新时间: 2020-10-31 00:00:00  

一位数除几十几的口算方法:口算就是用脑计算,用口头叙述来记忆当时的结果。这种方法用于速算,常练有助于智力的提高。如何用口算解用一位数除以几十几,先与十位数结合起来,看成几个十,再除一位数,得到的商就是几个十,就是几十。例如,63平均分成3份,与十位数结合起来,看成是20个3,余一位数3除3,得1,相加就是21。

关键词: 位数

一位数除几十几的口算相关经验

天气预报

最新推荐

页面:/news/view-1902402/ | 耗时:0.8999 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1902402 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1902402 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1902402 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1086394,1078879,1117988,1088878,1090412,1093625,1066106,1102022,1129269,1057545,986336,1092642,1077100,1106232,1072615,1128921,1066804,1083461,1074340,1127187,1065873,1091183,1043057,1074129,1048002,1067331,1092358,1086498,1062320,1103440) ORDER BY field (ArticleID,1086394,1078879,1117988,1088878,1090412,1093625,1066106,1102022,1129269,1057545,986336,1092642,1077100,1106232,1072615,1128921,1066804,1083461,1074340,1127187,1065873,1091183,1043057,1074129,1048002,1067331,1092358,1086498,1062320,1103440)