直径08米,高12米的圆柱体,有多少个立方
\u4e00\u4e2a\u5706\u67f1\u4f53\u7684\u76f4\u5f84\u662f0.4\u7c73\uff0c\u9ad8\u662f2\u7c73\uff0c\u8bf7\u95ee\u7acb\u65b9\u600e\u4e48\u7b97\u76f4\u5f84\u96642\u7136\u540e\u5e73\u65b9\u4e58\u4ee53.14 \u518d\u4e58\u4ee52
\u5e95\u9762\u534a\u5f84\u662f
60\u00f72\uff1d30\uff08\u5398\u7c73\uff09\uff1d0.3\uff08\u7c73\uff09
\u4f53\u79ef\u662f
0.3\u00d70.3\u00d73.14\u00d712\uff1d3.3912\uff08\u7acb\u65b9\u7c73\uff09
3.14×0.4²×12=3.14×0.16×12=6.0288
分发给发个方法各个方法过分过分过分过分过分过分规范更符合法规高海拔不会喝酒就换个号办公环境和拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜吧拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜拜哈哈哈哈哈和环境化的公司刚好符合
绛旓細0.8梅2=0.4锛堢背锛3.14脳0.4²脳12=3.14脳0.16脳12=6.0288
绛旓細鍗婂緞锛鐩村緞梅2锛8梅2锛4绫炽備綋绉紳涓寈鍗婂緞x鍗婂緞x楂橈紳3.14x4x4x2锛100.48绔嬫柟绫炽
绛旓細涓涓簳闈㈢洿寰10cm.楂12cm鐨勫渾鏌憋紝姹傚嚭瀹冪殑琛ㄩ潰绉拰浣撶Н銆傝〃闈㈢Н3.14脳10脳12+3.14脳锛10梅2锛²脳2 =3.14脳120+3.14脳50 =3.14脳170 =533.8骞虫柟鍘樼背 浣撶Н3.14脳锛10梅2锛²脳12 =3.14脳300 =942绔嬫柟鍘樼背
绛旓細鍓婂幓閮ㄥ垎鐨勪綋绉槸鍦嗘煴浣浣撶Н鐨2锛3鍗筹箼8?v锕?w脳12?绮?锛401.92锕欍帩?M闅/p>
绛旓細杩欏氨鏄眰鍦嗘煴浣鐨勪綋绉傚叕寮忎负:浣撶Н=搴曢潰绉箻浠ラ珮 搴曢潰绉=3.14*(0.8/2)*(0.8/2)=0.5024 浣撶Н=0.5024*2.8=1.40672 鎵浠ヨ繖涓渾鏌变綋鍙互瑁呮按1.406绫³涔熷氨鏄1.4鍚ㄦ按
绛旓細(5.5/2)^脳3.14脳13 =308.70125 鈮308.70(鏂)涓鏂逛篃灏辨槸涓绔嬫柟绫锛屽渾鏌变綋鐨勪綋绉瓑浜庡簳闈㈢Н涔橀珮锛屽簳闈㈢Н涔熷氨鏄崐寰勭殑骞虫柟锛屼箻浠3.14
绛旓細r=8梅2=4锛m锛塖搴=蟺r²=3.14脳4²=3.14脳16=50.24锛坢²锛塚鏌=S搴昲=50.24脳5=251.2锛坢³锛塚閿=⅓S搴昲=⅓脳50.24脳2=2512/75锛坢³锛夛紙251.2+2512/75锛壝0.5=10676/75锛坱锛...
绛旓細蟺r鐨骞虫柟涔樹互楂樼瓑浜1锛涢偅涔堜篃灏辨槸0.16蟺h绛変簬1锛氬嵆h=6.25闄や互蟺锛氭渶缁堝緱鍑篽绾︾瓑浜2绫 璇疯皡瑙ｆ垜鐨勬暟瀛﹀叕寮忛潰鏉挎棤娉曟彃鍏ord鏂囨。锛屾墦涓嶅嚭鏁板绗﹀彿锛屽氨鍙ソ鏂囧瓧琛ㄧず浜嗐
绛旓細鍦嗘煴鍗婂緞=18梅2=9 浣撶Н 3.14脳9²脳20 =3.14脳81脳20 =5086.8m³琛ㄩ潰绉氨鏄 3.14脳9²脳2+3.14脳18脳20 =254.34脳2+1130.4 =508.68+1130.4 =1639.08銕
绛旓細搴闈鍛ㄩ暱=31.4梅2=15.7绫 搴曢潰鍗婂緞=15.7梅3.14梅2=2.5绫 鍘熸潵闀挎柟浣撲綋绉=3.14X2.5²X10=196.25绔嬫柟绫 鍘熸潵闀挎柟浣鐨琛ㄩ潰绉=3.14X2.5²X2+15.7X10=196.25骞虫柟绫
