底宽2米顶宽5米长35米怎么画图？ 梯形体积? 下底宽1.2米 上底宽0.5米 长35米 高4米...
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绛旓細鎸″湡澧瀹藉害2.85绫抽珮锛屼粬浠篃鏈35涓珛鏂广
绛旓細25脳8+25脳2脳2+8脳2脳2 =200+100+32 =332(骞虫柟绫)=33200锛堝钩鏂瑰垎绫筹級鍏遍渶瑕侊細33200梅锛2脳2锛=8300锛堝潡锛夋湜閲囩撼锛岃阿璋紒~
绛旓細175骞虫柟绫 璁＄畻鍏紡锛氶暱鏂瑰舰鐨勯潰绉=闀棵楀 鍒楀紡璁＄畻锛35脳5=175銕
绛旓細棣栧厛锛岄渶瑕佸皢杩欎釜澶х勃鍫嗙殑褰㈢姸杩戜技涓轰竴涓褰紝璁＄畻鍑哄畠鐨勪袱涓潰绉紙鍗充笂搴曢潰绉拰涓嬪簳闈㈢Н锛夛紝鐒跺悗鍐嶈绠楀畠浠殑骞冲潎闈㈢Н锛屾渶鍚庡啀涔樹互楂樺害寰楀埌浣撶Н銆備笅搴曢潰绉 = 闀 脳 瀹 = 35绫 脳 8绫 = 280骞虫柟绫 鍥犳锛岃繖涓ぇ绮爢鐨勪綋绉害涓440绔嬫柟绫 ...
绛旓細锛5.5-2锛壝2=1.75绫 锛50+35锛壝5梅2脳锛2+1.75锛=85脳5梅2脳3.75 =786.875绔嬫柟绫
绛旓細35脳15+锛35脳1.4+15脳1.4锛壝2=665锛堝钩鏂圭背锛
绛旓細渚ч潰鐨勫鏄35梅7=7绫筹紝鍗冲渾鏌卞簳闈㈠懆闀挎槸7绫.搴曢潰绉槸锛49蟺/4骞虫柟绫.姘存《鐨勪綋绉槸锛氾紙49蟺/4骞虫柟绫筹級脳5绫=61.25蟺绔嬫柟绫斥増192.42绔嬫柟绫.鍗虫渶澶氬彲瀛樻按192.42绔嬫柟绫.
绛旓細3.鏈変竴涓父娉虫睜,闀25绫,瀹12绫炽佹繁1.4绫,姹犲簳鍜屽洓鍛ㄨ创杈归暱涓2鍒嗙背鐨勬鏂瑰舰鐧界摲鐮,涓鍏辫鐢ㄥ灏戝潡? 绗簩鍛ㄦ瘮绗竴鍛ㄥ淇0.7鍗冪背,杩樿淇灏戝崈绫虫墠鑳戒慨瀹? 5.闀挎柟浣撹搫姘存睜涓湁姘2100绔嬫柟绫,杩欎釜钃勬按姹犻暱50绫,瀹20绫,姘存繁澶氬皯绫? 6.瀛︽牎杩愭潵7.6绔嬫柟绫虫矙鍦,鎶婅繖浜涙矙鍦熼摵鍦ㄤ竴涓暱5绫,瀹3.8绫崇殑娌欏潙閲,...
绛旓細鎴潰绉浉绛夌殑鍑犱綍浣撲綋绉绠楀叕寮忛兘鏄 鎴潰绉疿闀垮害 浣犺姹傜殑姊舰鍙版埅闈㈢Н鏄褰,闈㈢Н鏄紙涓婂簳+涓嬪簳锛塜楂/2 鎵浠,鏈鍚庣殑璁＄畻缁撴灉鏄 闀縓锛堜笂搴+涓嬪簳锛塜楂/2 =35X(0.7+1.05)X0.2/2 =6.125绔嬫柟绫
绛旓細鎸夌収浣犵殑鎻忚堪锛屾垜浼拌鏄偓鎸戞澘锛佹偓鎸戞澘鐨勯挗绛嬪繀椤昏缃湪鐮肩殑涓婇儴锛屼笉鑳芥斁鍦ㄥ簳閮(涓嬮儴)锛屾斁鍦ㄥ簳閮ㄧ瓑浜庢病鏈夋斁閽㈢瓔锛屼竴鐐逛綔鐢ㄤ笉璧凤紒瑕佹槸閽㈢瓔鏀惧湪涓婇儴锛岄偅涔堟櫘閫氱殑閲嶉噺(鐐夋福銆佹獝鍙ｇ爾)閮藉彲浠ユ弧瓒炽傛垜鐨勭粡楠屾槸涓嶈兘瓒呰繃100kg/m2銆傝鏄挗绛嬫斁鍦ㄤ笅閮紝鐩存帴涓嶈兘鎵垮彈閲嶉噺锛佹湜閲囩撼锛岃阿璋紒
