一幅教学大楼平面图的比例尺是1：300，表示实际距离是图上距离的（）倍。请大家帮忙。。。。。
\u4e00\u5e45\u5e73\u9762\u56fe\u7684\u6bd4\u4f8b\u5c3a\u662f1:300,\u8868\u793a\u5b9e\u9645\u8ddd\u79bb\u662f\u56fe\u4e0a\u8ddd\u79bb\u7684( )\u500d,\u56fe\u4e0a\u8ddd\u79bb\u662f\u5b9e\u9645\u8ddd\u79bb\u7684( ).\u8868\u793a\u5b9e\u9645\u8ddd\u79bb\u662f\u56fe\u4e0a\u8ddd\u79bb\u7684300\u88ab\uff0c\u56fe\u4e0a\u8ddd\u79bb\u662f\u5b9e\u9645\u8ddd\u79bb\u7684300\u5206\u4e4b\u4e00
\u56fe\u4e0a\u8ddd\u79bb\u76f8\u5f53\u4e0e\u5b9e\u9645\u8ddd\u79bb\u76841/20000
\u5b9e\u9645\u8ddd\u79bb\u76f8\u5f53\u4e0e\u56fe\u4e0a\u8ddd\u79bb\u768420000\u500d
绛旓細涓鏍鏁欏澶фゼ闀120绫筹紝瀹20绫筹紝缁樺埗骞抽潰鍥鏃讹紝閫夌敤姣斾緥灏锛圖锛夌敾鍑虹殑骞抽潰鍥炬渶澶э紝閫夌敤姣斾緥灏猴紙C锛夌敾鍑虹殑骞抽潰鍥炬渶灏忋侫.1:1000 B.1:1200 C.1:500 D.1:800 甯屾湜鑳藉甯姪鍒颁綘锛佹湁涓嶆槑鐧界殑鍦版柟娆㈣繋杩介棶銆傜浣犲涔犺繘姝ワ紒
绛旓細姣斾緥灏=1:1000锛屽浘涓1鍘樼背瀵瑰簲瀹為檯闀垮害1000鍘樼背鍗10绫筹紝杩欏骇澶фゼ瀹為檯鍗犲湴闈㈢Н=6*10*锛5.5-2.5锛*10+2*10*2.5*10=2300锛堝钩鏂圭背锛夈愭垨=6*10*5.5*10-锛6-2锛*10*2.5*10=2300锛堝钩鏂圭背锛夈
绛旓細20梅11000=20000锛堝帢绫筹級=200锛堢背锛夛紝8.5梅11000=8500锛堝帢绫筹級=85锛堢背锛夛紱200脳85=17000锛堝钩鏂圭背锛夛紱绛旓細杩欏骇澶фゼ鐨瀹為檯鍗犲湴闈㈢Н2 17000骞虫柟绫筹紟
绛旓細鈼忔瘮渚嬪昂 鈷堣鐪熷濂介锛屽～绌轰笉鍥伴毦銆傗懘姣斾緥灏哄垎涓猴紙 锛夊拰锛 锛夈傗懙鍦ㄤ竴骞呭湴鍥句笂锛岀敤3鍘樼背鐨勭嚎娈佃〃绀18鍗冪背鐨勫疄闄呰窛绂伙紝杩欏箙鍦板浘鐨勬瘮渚嬪昂鏄紙 锛夈傗懚 涓骞鏁欏澶фゼ骞抽潰鍥剧殑姣斾緥灏烘槸1/200锛岃〃绀哄疄闄呰窛绂绘槸鍥句笂璺濈鐨勶紙 锛夊嶃傗拤鑴戠瓔杞浆杞紝绛旀鍏ㄤ細閫夈傗懘涓涓數瀛愰浂浠剁殑瀹為檯闀垮害鏄...
绛旓細鈼忔瘮渚嬪昂 鈷堣鐪熷濂介锛屽～绌轰笉鍥伴毦銆傗懘姣斾緥灏哄垎涓猴紙 锛夊拰锛 锛夈傗懙鍦ㄤ竴骞呭湴鍥句笂锛岀敤3鍘樼背鐨勭嚎娈佃〃绀18鍗冪背鐨勫疄闄呰窛绂伙紝杩欏箙鍦板浘鐨勬瘮渚嬪昂鏄紙 锛夈傗懚 涓骞鏁欏澶фゼ骞抽潰鍥剧殑姣斾緥灏烘槸1/200锛岃〃绀哄疄闄呰窛绂绘槸鍥句笂璺濈鐨勶紙 锛夊嶃傗拤鑴戠瓔杞浆杞紝绛旀鍏ㄤ細閫夈傗懘涓涓數瀛愰浂浠剁殑瀹為檯闀垮害鏄...
绛旓細100m=10000cm 5:10000=1:2000
绛旓細1銆佺敤鍥句笂璺濈姣斿疄闄呰窛绂汇傚崟浣780鍗冪背锛78000000銕 鍐13姣78000000绛変簬姣斾緥灏 鎷彿浜屻佹眰鍑轰簡姣斾緥灏猴紝鍦ㄧ敤鍥句笂璺濈闄や互姣斾緥灏猴紳瀹為檯璺濈 2銆佺敤3.4闄や互姣斾緥灏猴紳瀹為檯璺濈 3銆佺敤4.5闄や互200鍒嗕箣1锛濇暀瀹ゅ疄闄呴暱 灏辫繖涔堢畝鍗曘
绛旓細320绫=32000锛堝帢绫筹級姣斾緥灏烘槸8锛32000=1锛4000锛涚瓟锛氳繖寮骞抽潰鍥剧殑姣斾緥灏烘槸1锛4000锛
绛旓細鍥句笂闀=60脳100脳1/1000=6鍘樼背 鍥句笂瀹=30脳100脳1/1000=3鍘樼背 鐢讳竴涓暱6鍘樼背瀹3鍘樼背鐨勯暱鏂瑰舰鍗冲彲 瀹為檯闈㈢Н=60脳30=1800骞虫柟绫 绁濅綘寮蹇
