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Mathematics 10 Online
OpenStudy (osanseviero):

I need to demostrate that z+w=w+z (complex numbers)

OpenStudy (osanseviero):

What I did: z+w-(w+z)=(w+z)-(w+z) z+w-w-z=0 z-z=0 0=0 (I know, I need to demostrate simple things). How can I demostrate this with a picture?

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