一幅地图的比例尺是200:1,图上120厘米表示实际距离是()米
\u5728\u4e00\u5e45\u5730\u56fe\u4e0a,\u75283\u5398\u7c73\u8868\u793a\u5b9e\u9645\u8ddd\u79bb\u7684120\u5343\u7c73\u7684\u8ddd\u79bb\uff0c\u6c42\u8fd9\u5e45\u56fe\u7684\u6bd4\u4f8b\u5c3a3\u5398\u7c73\uff1a120\u5343\u7c73\uff1d3\u5398\u7c73\uff1a12000000\u5398\u7c73\uff1d1\uff1a4000000
\u8868\u793a\u5b9e\u9645\u8ddd\u79bb\u662f\u56fe\u4e0a\u8ddd\u79bb\u7684(200)\u500d\u3002
\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff0c\u8bf7\u91c7\u7eb3\uff01\u60a8\u7684\u91c7\u7eb3\u662f\u6211\u524d\u8fdb\u7684\u52a8\u529b\uff0c\u4e5f\u80fd\u7ed9\u4f60\u5e26\u53bb\u8d22\u5bcc\u503c\u2026\u2026
绛旓細瑙ｏ細璁炬捣鐚ˉ鍦鍦板浘涓婂簲鏄痻鍘樼背锛360绫=36000鍘樼背锛1锛200=x锛36000 200x=1脳36000 200x=36000 x=36000梅200 x=180 绛旓細搴旀槸180鍘樼背銆
绛旓細5.6脳200=鈽吤140 鈫 鈽=8(cm)
绛旓細姣斾緥灏=鍥句笂璺濈:瀹為檯璺濈锛屽凡鐭ュ疄闄呰窛绂诲拰姣斾緥灏猴紝鍥句笂璺濈=姣斾緥灏好楀疄闄呰窛绂伙紝300梅200=1.5骞虫柟绫
绛旓細姣斾緥鏄1:200鏃讹紝瀹為檯璺濈涓100m锛涙瘮渚鏄200:1鏃讹紝瀹為檯璺濈涓2.5mm銆傚垎鏋愯繃绋嬪涓嬶細姣斾緥灏=鍥句笂璺濈梅瀹為檯璺濈锛堝湪姣斾緥灏鸿绠椾腑瑕佹敞鎰忓崟浣嶉棿鐨勬崲绠楋級锛涘昂瀵镐负500mm锛岃〃绀哄浘涓婅窛绂=500mm锛涘綋姣斾緥=1锛200鏃讹紝鍒1锛200=鍥句笂璺濈梅瀹為檯璺濈锛涘垯1锛200=500梅瀹為檯璺濈锛岃В寰楋細瀹為檯璺濈=100000mm=100m...
绛旓細2.鍥犱负姣忓ぉ鐪嬩功鐨勯〉鏁颁竴瀹氾紝鎵浠ョ湅鐨勫ぉ鏁板拰鐪嬩功鐨勬婚〉鏁版垚( 鍙 )姣斾緥銆3.涓骞㈡暀瀛︽ゼ鐨勫钩闈㈠浘姣斾緥灏烘槸200鍒嗕箣1锛琛ㄧず瀹為檯璺濈鏄浘涓婅窛绂荤殑( 200 )鍊嶃4.涓骞呭湴鍥锛岀敤5鍘樼背琛ㄧず鍦伴潰400绫崇殑瀹為檯璺濈锛岃繖骞呭湴鍥剧殑姣斾緥灏烘槸( 1:8000 )銆5.鐢插湴鍒颁箼鍦扮殑瀹為檯璺濈澶х害鏄120鍗冪背锛屽湪...
绛旓細10梅 1 2000000 =20000000锛堝帢绫筹級=200锛堝崈绫筹級锛200-锛60脳2.5锛夛紝=200-150锛=50锛堝崈绫筹級锛涚瓟锛氱涔欏湴杩樻湁50鍗冪背锛
绛旓細1锛2000000=1cm:2000000cm=1cm:20000m=1cm:20km 1.5x20=30km 鎵浠ュ疄闄呰窛绂绘槸30鍗冪背
绛旓細闇瑕4灏忔椂 绠楀紡 8梅2000000鍒嗕箣1=16000000鍘樼背=160鍗冪背 160梅40=4灏忔椂
绛旓細8 脳 2000000 梅 4000000 = 16000000 梅 4000000 = 4 鍘樼背 绛旓細鍦姣斾緥灏烘槸1:4000000鐨鍦板浘涓婃槸 4鍘樼背.
绛旓細鐢诧紝涔欎袱鍦扮殑瀹為檯璺濈鏄100km锛屽湪涓骞呮瘮渚嬪昂鏄1:2000000鐨鍦板浘涓婏紝涓ゅ湴涔嬮棿鐨勮窛绂绘槸锛5cm锛夈傘愭瘮渚嬪昂= 鍥句笂璺濈/ 瀹為檯璺濈锛岄偅涔堝浘涓婅窛绂 = 瀹為檯璺濈 脳 姣斾緥灏 100 脳100000 脳 锛1:2000000锛= 10000000 脳 1 / 2000000 = 5锛坈m锛夈...
