In Germany, we have this. At least I think that quadratic formula means the ABC Formel? If not, I'm sure dorfuchs has a video for it too.
My favorite is the one for the bionische Formeln.
That's much better than anything we have in the U.S.
People tweeting stuff. We allow tweets from anyone.
RULES:
In Germany, we have this. At least I think that quadratic formula means the ABC Formel? If not, I'm sure dorfuchs has a video for it too.
My favorite is the one for the bionische Formeln.
That's much better than anything we have in the U.S.