WolframAlpha「(sqrt(a^2+b^2)-a)*(sqrt(a^2+b^2)+b+a)^2-(sqrt(a^2+b^2)+a)*(sqrt(a^2+b^2)+b-a)^2」 https://t.co/rLxZysnQiI ≡0、「(1-cos[x])*(1+sin[x]+cos[x])^2-(1+cos[x])*(1+sin[x]-cos[x])^2」 https://t.co/XrLhrmn3eQ ≡0。という恒等式が一見不明だったけどx=2*tとでもすれば、2*sin^2 [

0 0

Gheorghe Teodorescu
Romanati
1891-1980
Pictor roman
"Fata cu naframa"

1 11

A Little Prize for People Who Finish the 14 Day Picture Book Challenge - I'll snail mail you a 5 x 7 framable print of my painting of Janis Joplin-a person who challenged herself to be better.

1 0

Thank you! Haha! 😂😂 Framagucci genes

7 59

These are part of a new... experimental listing on my etsy........ MIRCO pet portraits. Smaller than anything I've ever offered before..... easily framable at 5"x5". I have a few slots up for anyone feeling Friday Night Fever.....
Pictured: Rickets the Rat and Wingman the Cat

29 186

Princess Mononoke♥️
"Life is suffering. It is hard. The world is cursed. But still, you find reasons to keep living"

0 2