45 □\sqrt{\Box}□
4y"+4y'-3y=Sen3x
solve utv(x)= t=( []\begin{bmatrix}\end{bmatrix}[] 2,0,1,3), v=(0,1) algebra
x+x*28%=12500
solve utv(x)= t=(2,0,1,3), v=(0,1) algebra
0.027
23
2xy+8ky+mx+4km
zd42e5zd42e5zd42e5zd42e5
59+39
88*42
