看完这些，你还觉得数学可怕吗？
1 三角形内角和为180ºhttps://p26.toutiaoimg.com/origin/pgc-image/f51f074152d74240b8f47467751573f9?from=pc2多边形外角和为360ºhttps://p26.toutiaoimg.com/origin/pgc-image/dc50241b3f414b51b5e22dbadb2d395c?from=pc
3怎样将一个正三角形剪拼成正方形？https://p26.toutiaoimg.com/origin/pgc-image/1a4dcf3029e044009b6fa22796d11cf4?from=pc
4怎样把两正方形剪拼成一个大正方形？https://p26.toutiaoimg.com/origin/pgc-image/55b08602e1ae481d853201261a816ee7?from=pc
5怎样把一个四边形剪拼成一个长方形？https://p26.toutiaoimg.com/origin/pgc-image/153d10eb158e444b932869c8eb8a482b?from=pc
6莫比乌斯带https://p26.toutiaoimg.com/origin/pgc-image/623ed24ff2b04058bc50f451e3d90cef?from=pc
7正方体展开图https://p26.toutiaoimg.com/origin/pgc-image/dab2e4b960d943b688f2b3364e8d702f?from=pc
8圆周率https://p26.toutiaoimg.com/origin/pgc-image/3e56126f7d61427f8d9327aae486d800?from=pc
9圆的面积https://p26.toutiaoimg.com/origin/pgc-image/922db767d50a40f689b7931abf134df6?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/c0d81b6aae8e42839b6a56fe0cbb988b?from=pc
10根号下a在数轴上的位置https://p26.toutiaoimg.com/origin/pgc-image/2ad9f713243345af8ade2eed626f4d1b?from=pc
11勾股定理及其证明https://p26.toutiaoimg.com/origin/pgc-image/6d2f8163c45a473c80b0ee92825c8a97?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/9e3c9e568b9d45c1a5dd43aa4c0d7b53?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/4e8adc8842e14395bc55883255eda38c?from=pc
12勾股“树”https://p26.toutiaoimg.com/origin/pgc-image/f555eb3e21d04668a1008400c11d51ca?from=pc
13平稳滚动的正多边形https://p26.toutiaoimg.com/origin/pgc-image/c3720455e301418599b1b127336dcb8f?from=pc
14勒洛三角形https://p26.toutiaoimg.com/origin/pgc-image/c34a68d94f6a40588ddb3df437b73e0d?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/c8a006b42d514ac78b5b84cbc98695be?from=pc
15杨辉三角https://p26.toutiaoimg.com/origin/pgc-image/c8e7604ee666453382f2cc9994f4ce04?from=pc
16弧长等于半径的弧，其所对的圆心角为1弧度。https://p26.toutiaoimg.com/origin/pgc-image/45914372933643e2b3722db2626fb281?from=pc
17二项式乘法https://p26.toutiaoimg.com/origin/pgc-image/943b53768cd347be8989b22b0542b4ea?from=pc
18函数广播体操https://p26.toutiaoimg.com/origin/pgc-image/2bea83805cd145bea22271313b1eb00a?from=pc
19无限的黄金（率）https://p26.toutiaoimg.com/origin/pgc-image/a46030b234ba4352b6015c29228d3517?from=pc
20sin和cos的追逐游戏https://p26.toutiaoimg.com/origin/pgc-image/20414b3752894f04b6c8a799fa5d4f74?from=pc
21将sin和cos运用到三角形上
https://p26.toutiaoimg.com/origin/pgc-image/8fe5ca96b5174915a98f44d63101fae6?from=pc
22余弦是正弦的衍生物
https://p26.toutiaoimg.com/origin/pgc-image/51006399d5bd415b8bfe1d71bc9a25c5?from=pc
23正弦余弦的空间展示https://p26.toutiaoimg.com/origin/pgc-image/82c5619e568e4c9b9a942eea154b6221?from=pc
24正切线
https://p26.toutiaoimg.com/origin/pgc-image/6108c93b7bcd4b8ab5444cecc82ac02a?from=pc
25三角函数https://p26.toutiaoimg.com/origin/pgc-image/dababaf0e7b94e798b917100ac806dea?from=pc
26圆和三角函数https://p26.toutiaoimg.com/origin/pgc-image/6b78d07f7ff54254bdece37751a6c411?from=pc
27极坐标的魔法https://p26.toutiaoimg.com/origin/pgc-image/ee5bf420bfda4e9f8527f2ad0eb187c7?from=pc
28画椭圆https://p26.toutiaoimg.com/origin/pgc-image/229bb8318b8a4efaba702c94cf1af291?from=pc
29画抛物线
https://p26.toutiaoimg.com/origin/pgc-image/6e5ccf4bf79d4d2cae148d9605e9d685?from=pc
30双曲线
https://p26.toutiaoimg.com/origin/pgc-image/a1ae37fe5e064040a7ff7d5ad214fcba?from=pc
31圆锥曲线https://p26.toutiaoimg.com/origin/pgc-image/68eace72e8bb4e328907077d04c19975?from=pc
32神奇的数学之心https://p26.toutiaoimg.com/origin/pgc-image/d042ca4fc877421fb943de48c5da94f3?from=pc
33单叶双曲面https://p26.toutiaoimg.com/origin/pgc-image/5dd42cea21c349edad1e25c67b38450d?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/9346f64d61a2470ebf1ae5db28ad724e?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/ddeb9fafc36b4d3c9625a57aa3211f74?from=pc
（广州电视塔“小蛮腰”）
34矩阵转置https://p26.toutiaoimg.com/origin/pgc-image/6046fd6e10b64ea59fa2ae649b734445?from=pc
35尺规作图正三角形https://p26.toutiaoimg.com/origin/pgc-image/af62b9b439be4575983487830bbc1540?from=pc
36尺规作图正方形
https://p26.toutiaoimg.com/origin/pgc-image/14217802b4e742a2bd3173ba8139ee4c?from=pc
37尺规作图正五边形https://p26.toutiaoimg.com/origin/pgc-image/26fa5804bab644c89cd4b3f3be093f3f?from=pc
38尺规作图正六边形https://p26.toutiaoimg.com/origin/pgc-image/5287d66f21784a5bb7d54e15503a2759?from=pc
39尺规作图正七边形https://p26.toutiaoimg.com/origin/pgc-image/dbaf018b0db94830b7d5a7a4be07ff79?from=pc
40尺规作图正17边形
https://p26.toutiaoimg.com/origin/pgc-image/e2758eb7532d4b4093861d13e504dc14?from=pc
41最速降线https://p26.toutiaoimg.com/origin/pgc-image/b18d1c71d4ce4be9a2f2350e7e5dbbde?from=pc
42旋轮线（摆线）https://p26.toutiaoimg.com/origin/pgc-image/be8cd9a8a898425aa8d47b2890e5b087?from=pc
43圆外旋轮线（外摆线）https://p26.toutiaoimg.com/origin/pgc-image/be48d1ecd54a48458d6fab91d149d1d9?from=pc
44心形线（当两个圆半径相等时的圆外旋轮线）https://p26.toutiaoimg.com/origin/pgc-image/b34d66f61fbc4c97a335d4662d9d5ae1?from=pc
45圆内旋轮线（内摆线）https://p26.toutiaoimg.com/origin/pgc-image/549586f29a9e467a91d9b810bb2a15c8?from=pc
46从左到右，依次删除这个数字中的位数，留下的数字仍然是质数https://p26.toutiaoimg.com/origin/pgc-image/c603c1ec28e944b480beca529546303f?from=pc
47定积分的近似计算https://p26.toutiaoimg.com/origin/pgc-image/055c7a96c9d5406fa4c5aa37403d0ad5?from=pc
48二重积分的黎曼和https://p26.toutiaoimg.com/origin/pgc-image/ea880420723c47598257693be91d3d1a?from=pc
49科赫曲线（雪花曲线）https://p26.toutiaoimg.com/origin/pgc-image/846f7f808afd400394caedeab96a8ef2?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/4d2f3fed666b4ea6994ea1ae95812939?from=pc
50H-fractalhttps://p26.toutiaoimg.com/origin/pgc-image/7985669c695e47d398abf3a108d1ada8?from=pc
51Vicsek fractalhttps://p26.toutiaoimg.com/origin/pgc-image/ef1d769030f44660865940936fdf3102?from=pc
52莱维C形曲线https://p26.toutiaoimg.com/origin/pgc-image/bfba7dee75d24df1ada93025c90a461b?from=pc
53Dragon curvehttps://p26.toutiaoimg.com/origin/pgc-image/59793ae05ea84276a816be547d94efda?from=pc
54Hexaflakehttps://p26.toutiaoimg.com/origin/pgc-image/73147a90ec6341c09ef28edc4b8ff78d?from=pc
55无限正方形
https://p26.toutiaoimg.com/origin/pgc-image/e0b8ac70bfe64cc29672cb99e739b520?from=pc
56平面和圆环面的一种特殊交线:Villarceau circleshttps://p26.toutiaoimg.com/origin/pgc-image/c8fde4bc0bb742bab126488a35ad6b0a?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/b76f6b5d440f4e73b5b2a502af9d12b8?from=pc
57谢尔宾斯基三角形https://p26.toutiaoimg.com/origin/pgc-image/ecbdf4697a9042378c9ff57d6b326282?from=pc
58三维分形https://p26.toutiaoimg.com/origin/pgc-image/64307655994e41b0a7b6808fdbc2b7e0?from=pc
59布朗树https://p26.toutiaoimg.com/origin/pgc-image/af8a7fdab23b4225bff3713a9df0b1ab?from=pc
60傅立叶变换https://p26.toutiaoimg.com/origin/pgc-image/48223ce402214ca49636ded3f9935529?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/279a8c2013ae4393aadb38a20422e22a?from=pc
61m = 13, n = 18 时的 Lissajous 曲线https://p26.toutiaoimg.com/origin/pgc-image/1439074bbc564461985c96956ad5e12c?from=pc
62正劈锥体https://p26.toutiaoimg.com/origin/pgc-image/da3594e2092d4f14be191c3abc0e23aa?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/e0bbdc37c6824b50aae8d33fcd54e8a5?from=pc
63维维安尼曲线https://p26.toutiaoimg.com/origin/pgc-image/2a866594515d4e57bfd234150258b978?from=pc
https://p26.toutiaoimg.com/origin/pgc-image/4de22f87c59c4cdcb00a531868b5c9db?from=pc
64等速螺线（阿基米德螺线）及其应用https://p26.toutiaoimg.com/origin/pgc-image/f6246d72d50841eda224b8d049421d89?from=pc
将0到Pi的两段等速螺线拼成一个“心形”的装置安放在一个圆盘上:https://p26.toutiaoimg.com/origin/pgc-image/4d1d236641304fe993ab70781ab7d862?from=pc
则当圆盘等速旋转时，“心形”装置则将等速的圆周运动转化为等速的直线运动。https://p26.toutiaoimg.com/origin/pgc-image/9d9e42e56e1b4a16bc274b267f5a2308?from=pc
65不可能图形https://p26.toutiaoimg.com/origin/pgc-image/688954cdb7ba4984b936b6e7a44bebc9?from=pc
66四维立方体https://p26.toutiaoimg.com/origin/pgc-image/72e5f33aa5e74a109ff580a1a4112144?from=pc
小时候上学不会求阴影部分面积,放学后找老师用纸移动后恍然大悟 感觉更可怕了 学习了 收藏了 劝退了 “听我说谢谢你
因为有你 温暖了四季
谢谢你 感谢有你
世界更美丽
我要谢谢你 因为有你
爱常在心底
谢谢你 感谢有你
把幸福传递”
感觉数学更难了 来涨涨见识 谢谢分享 长完见识直接劝退