[DSE 2021] 大家準備好瘋狂做 數學 未呢? [5]

1001 回覆
1 Like 9 Dislike
2020-12-06 05:12:12
2020-12-06 05:18:20
再比多個關鍵字
similar triangle
2020-12-06 10:41:05
而家日本有啲號稱唔會斷鉛嘅鉛芯筆
書局都有得賣
不過幾十蚊一枝
2020-12-07 00:24:42
邊pair similar triangles?
2020-12-07 00:42:52
area=1 個邊長係3,2,3,2,3,2,3,2嘅8角形


area=(3+2✓2)^2-4

D
2020-12-07 01:38:14
33332222 點解等如 32323232
2020-12-07 01:52:21
因為inscribed in a circle

如果centre 係O, 你分開OAB, OBC...8個三角形,再rearrange 過佢
2020-12-08 06:42:22
2020-12-08 14:11:36
分享/建議入咩program? 我入咗
Core:
Linear equation with 2 unknowns
Cubic
Cosine formula angle
Intersection of a circle and straight line
M2:
Linear equation with 3 unknowns+ determinant
3x3 matrix multiplication
2020-12-08 16:02:06
個C唔同
2020-12-08 16:57:14
佢都唔係bounded
2020-12-08 17:08:12
咪話個+c唔同囉
個+c唔同其實又係隨意嘅c
所以一樣
https://youtu.be/ZB0IFCmtphE
2020-12-08 18:10:20
okok, my bad
2020-12-14 18:27:56
2020-12-14 18:28:49
覺得咩grade

唉我出完左實習仲有篇3000字要寫
2020-12-14 18:29:46
2020-12-14 19:03:13
真心好撚辛苦🤦🏻‍♂️
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