[理工] 离散分类题库3-113

楼主: shashayou (吓吓你)   2020-05-18 00:35:57
https://imgur.com/qDt4Y4t
https://imgur.com/u49DQLW
https://imgur.com/yfl06Fn
rectangle总数跟area 1 知道是如何求得的,但area 2,3要如何算实在看不懂
想请问一下为何是这样算?谢谢
作者: Ricestone (麦饭石)   2020-05-18 00:52:00
放直的+放横的
楼主: shashayou (吓吓你)   2020-05-18 15:23:00
懂了 谢谢

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