https://s0.wp.com/latex.php?latex=180%5E%7B0%7D%3Dm%5Cleft%28%5Cwidehat%7BADB%7D%5Cright%29%2Bm%5Cleft%28%5Cwidehat%7BBDC%7D%5Cright%29%5CRightarrow+180%5E%7B0%7D%3D102%5E%7B0%7D%2Bm%5Cleft%28%5Cwidehat%7BBDC%7D%5Cright%29%5CRightarrow+180%5E%7B0%7D-108%5E%7B0%7D%3Dm%5Cleft%28%5Cwidehat%7BBDC%7D%5Cright%29%5CRightarrow+m%5Cleft%28%5Cwidehat%7BBDC%7D%5Cright%29%3D72%5E%7B0%7D&bg=ffffff&fg=000&s=0&c=20201002