用6个边长为3厘米的小正方形拼图形（必须边与边拼接，不可以重叠），分别拼1个周长最长和周长最短的图形 用六个边长为三厘米的小正方形分别拼成一个周长最长和周长最短的...
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\u89e3\uff1a\u5982\u56fe\u4e00\uff0c\u5468\u957f\u6700\u957f\uff1a3x6x2+3x2=42\uff08cm\uff09
\u5982\u56fe\u4e8c\uff0c\u5468\u957f\u6700\u77ed\uff1a2x3x2+3x3x2=30\uff08cm\uff09
\u7b54\uff1a\u56fe\u5f62\u6700\u957f\u7684\u5468\u957f\u4e3a42cm\uff0c\u56fe\u5f62\u6700\u77ed\u7684\u5468\u957f\u4e3a30cm.
1\u3001\u516d\u4e2a\u6392\u6210\u4e00\u6392\uff0c\u62fc\u6210\u7684\u56fe\u5f62\u7684\u5468\u957f\u6700\u957f\uff0c\u957f3\u00d76=18cm\uff0c\u5bbd3cm\u3002
\u5468\u957f\uff1a\uff0818\uff0b3\uff09\u00d72=42\uff08cm\uff09
2\u30013\u4e2a\u4e00\u6392\uff0c\u63922\u6392\u3002\u62fc\u6210\u7684\u957f\u65b9\u5f62\u5468\u957f\u6700\u5c11\u3002\u957f3\u00d73=9cm\uff0c\u5bbd3\u00d72=6cm
\u5468\u957f\uff1a\uff089\uff0b6\uff09\u00d72=30\uff08cm\uff09
绛旓細鍛ㄩ暱(18鍗3)X2浜42鍘樼背銆9+6銆塜2=30
绛旓細鏈変袱绉嶆柟妗堛傗憼 锛9+6锛壝2=30锛鍘樼背锛夆憽 锛18+3锛壝2=42锛堝帢绫筹級锛涚瓟锛氭嫾鎴愮殑闀鏂瑰舰鍛ㄩ暱鏄30鎴42鍘樼背锛庣偣璇勶細鑰冩煡浜嗛暱鏂瑰舰鐨勫懆闀匡紝鏈闇瑕佸垎涓ょ鎯呭喌杩涜璁ㄨ锛屼笉瑕佹紡瑙ｏ紟
绛旓細1銆鍏釜鎺掓垚涓鎺掞紝鎷兼垚鐨勫浘褰㈢殑鍛ㄩ暱鏈闀匡紝闀3脳6=18cm锛屽3cm銆傚懆闀匡細锛18锛3锛壝2=42锛坈m锛2銆3涓竴鎺掞紝鎺2鎺掋傛嫾鎴愮殑闀鏂瑰舰鍛ㄩ暱鏈灏戙傞暱3脳3=9cm锛屽3脳2=6cm 鍛ㄩ暱锛氾紙9锛6锛壝2=30锛坈m锛
绛旓細1銆佹憜涓鎺掞細锛3x6+3锛墄2=42锛鍘樼背锛 2銆佹憜涓ゆ帓锛氾紙3x3+3x2锛墄2=30锛堝帢绫筹級
绛旓細鍛ㄩ暱鏈闀垮氨鏄竟灏藉彲鑳藉皯閲嶅悎,灏辨槸鎶6涓鎺掓垚涓鎺,鍛ㄩ暱鏄3*6*2+3*2=42 鍛ㄩ暱鏈鐭氨鏄竟灏藉彲鑳藉閲嶅悎,鎶婁粬浠帓鎴2鎺3鍒楃殑闀鏂瑰舰,鍛ㄩ暱鏄3*3*2+3*2*2=30
绛旓細6涓鏂瑰舰鎷鎴愰暱鏂瑰舰锛屾湁涓ょ鎷兼硶锛岀涓绉嶆槸6涓帓鎴愪竴鎺掞紝绗簩绉嶆槸3涓竴鍒楋紝鎷嶆垚涓ゆ帓銆1銆佸厛鐪嬬涓绉嶆帓娉曟帓鎴愮殑闀挎柟褰紝闀夸负锛6脳3=18鍘樼背锛屽涓3鍘樼背锛岄偅涔堟牴鎹暱鏂瑰舰鐨勫懆闀垮叕寮忥細2脳(闀+瀹斤級=2脳(18+3锛=2脳22=44锛堝帢绫筹級2銆佸啀鐪嬬浜岀鎺掓硶鎺掓垚鐨勯暱鏂瑰舰锛岄暱涓猴細3脳3=9鍘樼背锛屽...
绛旓細鎬诲叡鏈変袱绉.绗竴绉:闀9鍘樼背.瀹6鍘樼背.鎷鍑烘潵鐨勯暱鏂瑰舰闀垮害鐢涓変釜姝ｆ柟褰鐨杈归暱缁勬垚.瀹藉害鐢变簩涓鏂瑰舰鐨勮竟闀跨粍鎴.绗簩绉:闀18閲岄潰.瀹3鍘樼背.鎷煎嚭鏉ョ殑闀挎柟褰㈤暱搴︾敱鍏釜姝ｆ柟褰鐨勮竟闀跨粍鎴.瀹藉害鐢变竴涓鏂瑰舰鐨勮竟闀夸唬鍏.
绛旓細灏嗕袱杈鐨勫皬姝ｆ柟褰鐨勬渶澶栭潰鐨勮竟骞崇Щ鍒板ぇ姝ｆ柟褰㈤噷锛屽涓嬪浘锛岃繖鏍风殑璇濓紝鍛ㄩ暱灏辩浉褰撲簬澶ф鏂瑰舰鐨勫懆闀+鍥涙潯灏忔鏂瑰舰鐨杈归暱浜嗭紝涓涓灏忔鏂瑰舰鐨勮竟闀垮棰涓3鍘樼背锛屼竴涓ぇ姝ｆ柟褰㈢殑杈归暱濡傞涓3+3鍘樼背
绛旓細鍛ㄩ暱鏄42鍜30杩欎釜闀鏂瑰舰鍙兘闀夸负18鍘樼背瀹涓3鍘樼背涔熷彲鑳介暱涓9鍘樼背瀹戒负6鍘樼背
