实际数学问题一个圆柱体水池,求水的吨数怎么算？
\u6570\u5b66\u9ad8\u624b\u8bf7\u8fdb\uff01\uff0c\u95ee\u9898\uff1a\u6709\u4e00\u4e2a\u9ad88\u5398\u7c73\uff0c\u5bb9\u79ef50\u6beb\u5347\u7684\u5706\u67f1\u4f53\u5bb9\u5668\uff0c\u91cc\u9762\u88c5\u6ee1\u4e86\u6c34\uff0c\u73b0\u5728\u628a17\u5398\u7c73\u7684\u5706\u67f1\u4f53...\u5706\u67f1\u5bb9\u5668\u5e95\u9762\u79ef=50/8=6.25\uff0c\u63d2\u5165\u676f\u4e2d\u90e8\u5206\u7684\u68d2\u7684\u4f53\u79ef=6.25*\uff088-6\uff09=12.5\uff0c\u5706\u68d2\u5e95\u9762\u79ef\uff08\u68d2\u5728\u6c34\u91cc\u7684\u9ad8\u5ea6\u7b49\u4e8e\u5bb9\u5668\u9ad8\uff09=12.5/8=1.5625\uff0cV\uff08\u5706\u68d2\uff09=1.5625*17=26.5625\u7acb\u65b9\u5398\u7c73\u3002
\u5e95\u9762\u79ef\u662f\uff1a20x20x3.14=1256\u5e73\u65b9\u7c73
\u6c34\u6c60\u6df1\uff1a1884\u00f71256=1.5\u7c73
\u5f88\u9ad8\u5174\u4e3a\u60a8\u89e3\u7b54\uff0c\u795d\u4f60\u5b66\u4e60\u8fdb\u6b65\uff01\u3010the1900\u3011\u56e2\u961f\u4e3a\u60a8\u7b54\u9898\u3002
\u6709\u4e0d\u660e\u767d\u7684\u53ef\u4ee5\u8ffd\u95ee\uff01\u5982\u679c\u60a8\u8ba4\u53ef\u6211\u7684\u56de\u7b54\u3002
\u8bf7\u70b9\u51fb\u4e0b\u9762\u7684\u3010\u9009\u4e3a\u6ee1\u610f\u56de\u7b54\u3011\u6309\u94ae\uff0c\u8c22\u8c22\uff01
这是个物理问题。水体积=圆柱体体积水质量=水的密度*水体积圆柱体积可以求得，水的密度为1吨每立方米
绛旓細6鍒嗙背=0.6绫 3.14脳(0.6梅2)²=3.14脳0.09 =0.2826锛堝钩鏂圭背锛14.13梅0.2826=50锛堢背锛夌瓟锛姘存睜娣50绫 銆愬涔犲疂鍏搞戝洟闃熶负鎮ㄧ瓟棰樸傛湁涓嶆槑鐧界殑鍙互杩介棶锛
绛旓細鍗婂緞=31.4梅2梅3.14=5绫 楂=2.4绫 鎶规按娉ョ殑闈㈢Н =渚ч潰绉+搴曢潰绉 =2脳3.14脳5脳2.4+3.14脳5²=153.86骞虫柟绫 寰堥珮鍏翠负浣犺В绛旓紝绁濅綘瀛︿範杩涙锛併鏁板杈呭鍥戜负浣犺В绛攡~濡傛灉浣犺鍙垜鐨勫洖绛旓紝璇风偣鍑讳笅闈㈢殑銆愰変负婊℃剰鍥炵瓟銆戞寜閽紝璋㈣阿~~濡傛灉杩樻湁鍏跺畠闂锛璇峰彟澶栧悜鎴戞眰鍔╋紝绔瘹涓轰綘...
绛旓細1銆鍦嗘煴褰钃勬按姹犵殑搴曢潰绉负锛3.14脳10²=314骞虫柟绫锛屾按姹鐨勯珮鏄4.5锛0.5=5绫筹紱绛旓細钃勬按姹犵殑瀹圭Н鏄細314脳5=1570绔嬫柟绫炽2銆佹按妗剁殑搴曢潰鍗婂緞涓猴細20梅2=10鍘樼背锛屽簳闈㈠懆闀挎槸锛3.14脳20=62.8鍘樼背锛涘簳闈㈢Н鏄細3.14脳10² =314骞虫柟鍘樼背锛屼晶闈㈢Н鏄細62.8脳30=1884骞虫柟鍘樼背锛涙...
绛旓細鍦ㄥ钩鍦颁笂鎸涓涓渾鏌卞舰鐨勬按姹狅紝姘存睜娣4m銆傜洿寰勬槸6绫筹紝杩欎釜姘存睜鐨勫崰鍦帮紙28.26锛夊灏戝钩鏂圭背锛岄渶瑕佹寲鍦燂紙113.04锛夌珛鏂圭背锛熷崰鍦伴潰绉細3.14脳锛6梅2锛塣2锛28.26锛堝钩鏂圭背锛夐渶瑕佹寲鍦燂細28.26脳4锛113.04锛堢珛鏂圭背锛夋湁涓涓渾鏌变綋锛屼綋绉槸785绔嬫柟鍘樼背銆傚簳闈㈠崐寰勬槸10cm姹備粬鐨勪晶闈㈢Н 楂樹负锛785梅锛3.14脳...
绛旓細鍦嗘煴褰㈡按姹浣撶Н 20/2=10 3.14X10X10X4=1256绔嬫柟绫 搴曢潰鏄鏂瑰舰闈㈢Н 80/4=20 20X20=400 搴旇鎸栧嚑绫虫繁 1256/400=3.14绫
绛旓細鎴戞槸杩欐牱鐞嗚В鐨勩傚簲璇ョ悊瑙ｄ负杩欐槸涓閬撳伐绋嬮噺璁＄畻棰樸傦紙涔熸槸姝ｅ杈瑰舰涓庡洯褰㈠懆闀块潰绉殑璁＄畻涓嶅悓锛変笉鑳界悊瑙ｄ负鏅氱殑鏁板棰銆傚仛涓鸿绠楀伐绋嬮噺鐨勮瘽锛屼笂闈㈢殑鏈嬪弸绠楃殑涔熸病闂锛宸ョ▼閲忕殑璁＄畻瑙勫垯涔熸槸杩欐牱瑙勫畾鐨勩備絾闂鏄ゼ涓昏姹傜殑鏄爾鐨勫疄閲忋傚洜鐡风爾鏄创鍦ㄥ鍐呬晶锛屼篃灏卞舰鎴愪簡涓涓鍐呭垏鐨勨斺旂洿寰6000鐨勬...
绛旓細21娆 搴闈鍗婂緞=20/2=10绫 鍦熸柟浣撶Н锛3.14*10*10*2=628绔嬫柟绫 涓娆″彲杩愶紱5*3*2*1=30绔嬫柟绫 628/30=20.93 鎵浠ラ渶瑕21娆
绛旓細浣犲ソ 鍗犲湴=3.14*3*3=28.26骞虫柟绫 杩欎釜姘存睜鍗犲湴28.26骞虫柟绫 銆鏁板杈呭鍥戜负鎮ㄨВ绛旓紝涓嶇悊瑙ｈ杩介棶锛岀悊瑙ｈ鍙婃椂閫変负婊℃剰鍥炵瓟锛(*^__^*)璋㈣阿锛
绛旓細杩欎釜姘存睜鍗犲湴闈㈢Н锛(8/2)²x3.14=50.24骞虫柟绫 鍏遍渶姘存偿锛氾紙50.24+8x3.14x2.5锛墄12.5=1413鍗冨厠
绛旓細4/2=2绫 2²脳3.14=12.56 50.24/12.56=4绫 姘存睜娣憋紙4锛夌背
