① 濡堝堟墦綆楀仛涓涓杈歸暱40鍘樼背鐨勬f柟褰㈡姳鏋曘傞渶瑕佸氶暱鐨勮姳杈癸紵濡傛灉鎺ュご澶勫拷鐣ヤ笉璁★紝鍋氳繖涓鎶辨灂闇瑕佸氬皯闈㈡枡
鑺辮竟闀40*4=160鍘樼背銆濡傛灉鎺ュご澶勫拷鐣ヤ笉璁¢渶瑕侀潰鏂40*40=1600騫蟲柟鍘樼背銆