Report - elbassair.netelbassair.net/achatri/chat2014/cour/moyene/4am/ikhtibarat/ikhtibarat... · (—4)2 + (—4)2 = 16+ 16 .2 = 32 = 32 64 ab a c 64 = 32 +32 = + ac2 a abc 32 ab = ac = ab

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