(3.6-3.4)/3.4×100%≈0.060=6.0%答:台湾岛的面积比海南岛的面积大6.0%
(3.4-3.6)/3.4=0.2/3.4=1/17约=5.88%台湾岛的面积比海南岛的面积大约大5.88%
(3.6-3.4)/3.4*100%=5.58%
(3.6-3.4)/3.4=5.88%