Question is: If x-0=x why dx exists? Or: What is your first idea if you see this: ^^^ source: https://www.facebook.com/photo/?fbid=1675479489849979&set=a.131167747614502 Table of Contents Related posts Tak tento fór sa mi páčil: Čo Vás napadne, keď toto vidíte? :Today we're discussing this math problem:Kvíz 27: Author: AarNoma The first Slovak cyborg 1 system
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