爸爸将长5分米，宽3分米的长方形木板粘成一个大的长方形，有几中方法？画图？周长各是多少？ 用两个长是5分米，宽是3分米的长方形拼成一个大长方形，这个大...
\u7528\u4e24\u4e2a\u957f5\u5206\u7c73\uff0c\u5bbd3\u5206\u7c73\u7684\u957f\u65b9\u5f62\u62fc\u6210\u4e00\u4e2a\u5927\u957f\u65b9\u5f62\uff0c\u8fd9\u4e2a\u5927\u957f\u65b9\u5f62\u7684\u5468\u957f\u53ef\u80fd\u662f______\u4e5f\u53ef\u80fd\u662f______A.22\u5206\u5982\u56fe\u6240\u793a\uff1a\u2460\u7ad6\u6392\u65f6\uff1a\u5927\u957f\u65b9\u5f62\u7684\u5468\u957f\u4e3a1\uff1a\uff085+3+3\uff09\u00d72=22\uff08\u5206\u7c73\uff09\uff1b\u2461\u6a2a\u6392\u65f6\uff0c\u5927\u957f\u65b9\u5f62\u7684\u5468\u957f\u4e3a\uff1a\uff085+5+3\uff09\u00d72=26\uff08\u5206\u7c73\uff09\uff0e\u7b54\uff1a\u8fd9\u4e2a\u5927\u957f\u65b9\u5f62\u7684\u5468\u957f\u53ef\u80fd\u662f22\u5206\u7c73\uff0c\u4e5f\u53ef\u80fd\u662f26\u5206\u7c73\uff0e\u6545\u7b54\u6848\u4e3a\uff1aA\u3001C\uff0e
\u628a\u957f\u8fb9\u9760\u5728\u4e00\u8d77\u65f6\uff0c\u5468\u957f=5*2+3*4=22
\u5bbd\u9760\u5728\u4e00\u8d77\u65f6\uff0c\u5468\u957f=5*4+3*2=26
绛旓細锕5锛3锕毭2锛16锕鍒嗙背锕氳嚦灏戦渶瑕侀摑鏉16鍒嗙背
绛旓細锛5+3+3锛壝2 =11脳2 =22锛鍒嗙背锛
绛旓細鈭╃
绛旓細锛5+3锛壝2=16锛鍒嗙背锛夛紝绛旓細瀹冪殑鍛ㄩ暱鏄16鍒嗙背锛庢晠绛旀涓猴細16鍒嗙背锛
绛旓細5鍒嗙背=50鍘樼背 3鍒嗙背=30鍘樼背 50梅6=8涓.2鍘樼背 30梅6=5涓 8脳5=40锛堜釜锛夌瓟锛氬彲浠ュ壀鎴40涓.鏈宸茶В绛,璇风偣鍙充笂鎴栦笅瑙掆滈噰绾崇瓟妗堚,鏀寔涓涓.
绛旓細灏嗕竴寮闀5鍒嗙背瀹3鍒嗙背鐨勯暱鏂褰㈢焊瀵规姌涓ゆ锛屽彲浠ュ緱鍒板洓涓瓑鍒嗙殑鐭╁舰銆傝鎴戜滑璁＄畻姣忎唤鐭╁舰鐨勯潰绉傞鍏堬紝灏嗙焊寮犲鎶樹竴娆★紝灏嗛暱搴5鍒嗙背鐨勮竟鎶樺彔鍒板搴3鍒嗙背鐨勮竟涓娿傝繖鏍峰緱鍒颁竴涓柊鐨勭煩褰紝鍏堕暱搴︿负3鍒嗙背锛屽搴涓2.5鍒嗙背銆傜劧鍚庯紝鍐嶆瀵规姌绾稿紶锛屽皢闀垮害3鍒嗙背鐨勮竟鎶樺彔鍒板搴2.5鍒嗙背鐨勮竟涓娿傝繖鏍峰緱鍒板洓涓瓑...
绛旓細5鍒嗙背=50鍘樼背 3鍒嗙背=30鍘樼背 50梅6=8涓...2鍘樼背 30梅6=5涓 8脳5=40锛堜釜锛夌瓟锛氬彲浠ュ壀鎴40涓備綘濂斤紝鏈宸茶В绛旓紝濡傛灉婊℃剰锛岃鐐瑰彸涓婃垨涓嬭鈥滈噰绾崇瓟妗堚濓紝鏀寔涓涓嬨
绛旓細杩欐牱 瀹圭Н1绔嬫柟鍒嗙背
绛旓細闇插嚭鐨勯潰绉 =搴曢潰绉+渚ч潰绉 =5脳3+锛5脳1+3脳1锛壝2 =15+16 =31骞虫柟鍒嗙背 ~涓鍒绘案杩523涓轰綘瑙ｇ瓟锛岀浣犲涔犺繘姝~~濡傛灉浣犺鍙垜鐨勫洖绛旓紝璇峰強鏃剁偣鍑汇愰噰绾充负婊℃剰鍥炵瓟銆戞寜閽畘
绛旓細鍥炵瓟锛(5+3)*2*2+2=34(鍒嗙背)
