解一道二元一次方程一道物理题中出现的方程,我怎么老是解不对?(200/9)t+((200/9)^2)/2a=56(40/
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解一道二元一次方程
一道物理题中出现的方程,我怎么老是解不对?
(200/9)t+((200/9)^2)/2a=56
(40/3)t+((40/3)^2)/2a=24
求T
一道物理题中出现的方程,我怎么老是解不对?
(200/9)t+((200/9)^2)/2a=56
(40/3)t+((40/3)^2)/2a=24
求T
![解一道二元一次方程一道物理题中出现的方程,我怎么老是解不对?(200/9)t+((200/9)^2)/2a=56(40/](/uploads/image/z/6991254-54-4.jpg?t=%E8%A7%A3%E4%B8%80%E9%81%93%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E4%B8%80%E9%81%93%E7%89%A9%E7%90%86%E9%A2%98%E4%B8%AD%E5%87%BA%E7%8E%B0%E7%9A%84%E6%96%B9%E7%A8%8B%2C%E6%88%91%E6%80%8E%E4%B9%88%E8%80%81%E6%98%AF%E8%A7%A3%E4%B8%8D%E5%AF%B9%3F%28200%2F9%29t%2B%28%28200%2F9%29%5E2%29%2F2a%3D56%2840%2F)
(200/9)t+((200/9)^2)/2a=56---
((200/9)^2)/2a=56-(200/9)t----3式
(40/3)t+((40/3)^2)/2a=24----
((40/3)^2)/2a=24-(40/3)t----4式
3式÷4式得:
t=18/25
((200/9)^2)/2a=56-(200/9)t----3式
(40/3)t+((40/3)^2)/2a=24----
((40/3)^2)/2a=24-(40/3)t----4式
3式÷4式得:
t=18/25