⑴ 闆呮濇誨垎澶氬皯錛
闆呮濇誨垎9鍒嗭紝鍚璇磋誨啓4涓鍗曢」鐨勬誨垎涔熸槸9鍒嗭紝鎸夌収4涓鍗曢」騫沖潎鍒嗙畻鎬誨垎銆傛寜鐓0.25鍒嗚繘鍒躲
姣斿備綘鐨勯泤鎬濆惉璇磋誨崟欏瑰啓鍒嗗埆鏄錛7,7,6.5,6銆傞偅涔堟誨垎灝辨槸7+7+6.5+6=6.625鏈鍚庝綘鐨勯泤鎬濇誨垎灝辨槸6.5鍒嗭紝鑰屼笉鏄7鍒嗐
鎯寵佹嬁鍒伴泤鎬7鍒嗭紝鑷沖皯榪樿佹湁涓涓鍗曢」涓6.5鍒嗐傚傛灉浣犵殑闆呮濆垎鏁版槸錛6.5,6.5,6,6銆傞偅涔堜綘鐨勬誨垎灝辨槸6.5+6.5+6+6=6.25鍒嗕篃灝辨槸6.5鍒嗐