proof that (m+n)^2/3+(m-n)^2/3=2a^2/3

Can you help me with this proofing? Does it sound correct and flow nicely from sentence to sentence?...

I need help with this proof for my philosophy class. This proof is supposed to be done via indirect...

I need help with this proof for my philosophy class. This proof is supposed to be done via condition...

Can someone please just proof-read this? Especially the use of the imperfect and por/para. And don't...

Looking at this proof of the Pythagorean Theorem, which statement(s) would be true? CHECK ALL THAT...

In the proof that a/b + c/d where a,b,c, and d are integers and b and d are non zero

In the proof that the sum of rational numbers a/b and c/d where a,b,c and d are integers

In the proof that ab+cd , where a, b, c, and d are integers and b and d are non-zero, explain why...

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