Leixx
2022-08-18T15:39:03+00:00
[img]https://img.nga.178.com/attachments/mon_202208/23/-7Qjk4-ja6dK22T3cSw0-kh.jpg[/img]
要怎么解呢
[quote][tid=33196784]Topic[/tid] Post by [uid=35531540]奔跑的海马[/uid] (2022-08-23 23:40):
[img]https://img.nga.178.com/attachments/mon_202208/23/-7Qjk4-ja6dK22T3cSw0-kh.jpg[/img]
要怎么解呢[/quote][img]https://img.nga.178.com/attachments/mon_202208/23/-7Qjk4-dcxmK2kT1kShs-13i.jpg[/img]
[quote][pid=634647917,33196784,1]Reply[/pid] Post by [uid=60292004]超级隐身[/uid] (2022-08-23 23:45):
[img]https://img.nga.178.com/attachments/mon_202208/23/-7Qjk4-dcxmK2kT1kShs-13i.jpg[/img][/quote]这是什么软件[s:ac:惊]
[quote][pid=634648244,33196784,1]Reply[/pid] Post by [uid=35531540]奔跑的海马[/uid] (2022-08-23 23:47):
这是什么软件[s:ac:惊][/quote]作业帮。
[quote][pid=634648427,33196784,1]Reply[/pid] Post by [uid=60292004]超级隐身[/uid] (2022-08-23 23:48):
作业帮。[/quote]原来如此!
[img]https://img.nga.178.com/attachments/mon_202208/23/-7Qjk4-fs88K1vT1kShs-13i.jpg[/img][img]https://img.nga.178.com/attachments/mon_202208/23/-7Qjk4-givkK1yT1kShs-13i.jpg[/img]
[s:ac:闪光]
我靠,居然连我都会做...就离谱..第一次在NGA见到这么简单的数学题..关键还是填充,不用写过程..
[quote][tid=33196784]Topic[/tid] Post by [uid=35531540]奔跑的海马[/uid] (2022-08-23 23:40):
[img]https://img.nga.178.com/attachments/mon_202208/23/-7Qjk4-ja6dK22T3cSw0-kh.jpg[/img]
要怎么解呢[/quote]小学都能做,s4等于三角形abc的面积等于24
s2加上三角形ckb等于小正方形的面积
s1也加上小三角形ckb等于hgb的面积
s3加上四边形abhd等于正方形acfe的面积
s1加上小三角形ckb再加四边形abhd等于大正方形的面积
s2+s3-s1就是等于勾股定理,两直角边平方和减去斜边平方
不需要数值就能得出答案为0