In 1980, C. Delorme has shown that C(na) is graceful graphs. This paper discusses the gracefulness of unconnectedC4k^(3)∪Fm and C4k+J(3) UFC4k^(3)∪Fm(3) UFm,4and proves the gracefulness of them.%1980年C.Delorme等人证实了Cn^(3)是优美图,本文主要对C4k^(3)∪Fm,4和C4k+1^(3)∪Fm,4以及C4k+3^(3)∪Fm,4的优美性进行研究,证明了它们是优美的。
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