打开App
求阴影部分的面积计算小学数学奥数特训第123题（高年级）
学霸养成记面积计算小学数学奥数特训第123题（高年级）如图所示，AB＝BC＝8，求阴影部分的面积。（单位：米 π取3.14）
学霸养成记小学数学奥数小升初难重点突破122/144
App02:58
App02:26
App02:34
App02:46
App02:54
App02:46
App02:59
App02:53
App02:35
App03:58
App01:50
App02:07
App03:37
App02:50
App03:46
App02:13
App05:11
App03:58
App05:27
App04:20
App03:44
App04:54
App04:46
App07:13
