(7根号下54-3根号下21+4根号下15)除以(2根号下3)

问题描述:

(7根号下54-3根号下21+4根号下15)除以(2根号下3)

(7根号下54-3根号下21+4根号下15)除以(2根号下3)
(21根号下6-3根号下21+4根号下5)除以(2根号下3)
(21/2)根号下2-(3/2)根号下7+2根号下5