来美5年了# PhotoGear - 摄影器材q*j2011-11-11 08:111 楼今天算了算好像不对。难道我算错了?Large pizza: diameter 14''area: pi*7^2 = 49piMedium pizza: diameter 12''area: pi*6^2 = 36pi
e*n2011-11-11 08:115 楼其实考虑到披萨边的话,半径还要再减少1.5英寸吧。:)【在 q**j 的大作中提到】: 今天算了算好像不对。难道我算错了?: Large pizza: diameter 14'': area: pi*7^2 = 49pi: Medium pizza: diameter 12'': area: pi*6^2 = 36pi