Răspunsuri

2014-08-29T17:03:19+03:00
a)D_6=\{1,2,3,6\}\\ D_{12}=\{1,2,3,4,6,12\}\\ D_6\subset D_{12}(Adevarat)\\ b)M_4=\{0,4,8,12,16,...\}\\ M_{2}=\{0,2,4,6,8,10,12,..\}\\ M_4\subset M_{2}(Adevarat)
Ai gresit acolo, nu era M12, era M2.
Am editat.Multumesc.