10/10
Today, I took a flu shot.
It is a free service, so I’m happy.
I was sleepy compared with the ordinary day.
I studied derivatives and differentials for mathematical economics.
The 3D graph is hard to imagine for me…
10/10
Today, I took a flu shot.
It is a free service, so I’m happy.
I was sleepy compared with the ordinary day.
I studied derivatives and differentials for mathematical economics.
The 3D graph is hard to imagine for me…
たかし