在菱形ABCD中,若∠ABC=60°,则AB:AC=_______
无图
是BD:AC
是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC是BD:AC