Graded Rings in Grade School
Over at the new, improved Mathematics Under the Microscope (off of Blogger, onto WordPress), Alexandre makes an interesting point. word problems take place in a graded ring.
Over at the new, improved Mathematics Under the Microscope (off of Blogger, onto WordPress), Alexandre makes an interesting point. word problems take place in a graded ring.
also in MUtM:
primary school arithmetic and group cohomology.