一个圆柱形粮囤，从里面量得底面直径和高都是2米，如果每立方米稻谷重545千克，这个 一个圆柱形粮囤，从里面量高是5米，底面直径是高的35．如果每...
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\u5e95\u9762\u534a\u5f84=5\u00d75\u5206\u4e4b2=2\u7c73
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=\uff083.14\u00d72²\u00d75\uff09\u00d7545
=34226\u5343\u514b
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\u5982\u679c\u4f60\u8ba4\u53ef\u6211\u7684\u56de\u7b54\uff0c\u8bf7\u70b9\u51fb\u4e0b\u9762\u7684\u3010\u9009\u4e3a\u6ee1\u610f\u56de\u7b54\u3011\u6309\u94ae\uff0c\u8c22\u8c22~~
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\u8fd9\u4e2a\u7cae\u56e4\u88c5\u7a3b\u8c37\u7684\u4f53\u79ef\u662f\uff1a3.14\u00d7\uff0835\u00d75\u00f72\uff092\u00d75\uff0c=3.14\u00d72.25\u00d75\uff0c=35.325\uff08\u7acb\u65b9\u7c73\uff09\uff1b\u8fd9\u4e2a\u7cae\u56e4\u80fd\u88c5\u7a3b\u8c37\u7684\u91cd\u91cf\u662f\uff1a545\u00d735.325=19252.125\uff08\u5343\u514b\uff09\uff0c\u7b54\uff1a\u8fd9\u4e2a\u7cae\u56e4\u80fd\u88c5\u7a3b\u8c3719252.125\u5343\u514b\uff0e
V=πr的平方再乘h=3.14乘（2-1）的平方乘h=3.14乘2=6.28（立方米） 545乘6.28=3422.6约等于3423（kg） 希望帮助了你 希望你采纳····算出圆柱的体积 3.14*（2除2）*2等于6.28 再乘于545等于3422.6约等于3423千克
这是六年级的吧，我刚好也在做
绛旓細绛旀鏄細22.608锛堝惃锛
绛旓細3.14脳2.4²脳3.5脳542 =18.0864脳3.5脳542 =63.3024脳542 鈮34310锛堝崈鍏嬶級绛旓細杩欎釜绮洡鍙34310鍗冨厠楹﹀瓙 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
绛旓細鍘熼锛涓涓渾鏌卞舰绮洡锛屼粠閲岄潰閲忓緱搴曢潰鍗婂緞鏄1.5绫筹紝楂2绫炽傚鏋滄瘡绔嬫柟绫崇帀绫崇害閲750鍗冨厠锛岃繖涓伯鍥よ兘瑁呭灏戝崈鍏嬬帀绫筹紵锛埾鍙3.14锛夛紝绛旀锛氳繖涓伯鍥よ兘瑁10597.5鍗冨厠鐜夌背銆傝繎鍑犲勾楂樻牎姣曚笟鐢熷氨涓氭儏鍐垫湁浠ヤ笅鍑犱釜鐗圭偣銆備笓涓氬悓锛氱儹闂ㄤ笓涓氫汉鎵嶈繃鍓╋紝杩戝勾鏉ワ紝涓浜涘伐绉戦櫌鏍″拰鍏锋湁涓撲笟鐗硅壊鐨勫鏍¤拷姹傜患鍚堝彂灞...
绛旓細浣撶Н=3.14*1.5*1.5*2=14.13绔嬫柟绫 鎵浠ヨ兘瑁14.13*750=10597.5鍗冨厠=10.5975鍚
绛旓細鍦嗘煴褰鐨勭伯浠撶殑浣撶Н锛 3梅2=1.5锛堢背锛 3.14脳1.5 2 脳2 =3.14脳2.25脳2 =14.13锛堢珛鏂圭背锛 杩欎釜绮粨瑁呮湁灏忛害鐨勫惃鏁帮細 14.13脳0.7=9.891锛堝惃锛 绛旓細杩欎釜绮粨瑁呮湁9.891鍚ㄧ殑灏忛害锛
绛旓細鍏堢畻浣撶Н锛屽啀绠楅噸閲忥紝姝ラ濡備笅锛氬笇鏈涜兘甯埌浣狅紝鏈涢噰绾炽
绛旓細浣撶Н=2.5*2.5*3.14*2=39.25绔嬫柟绫 绮洡瑁呯殑绋昏胺=39.25X545=21391.25鍗冨厠 淇濈暀鏁21391鍗冨厠
绛旓細搴曢潰鍗婂緞=2 瀹圭Н=3.14*2²*2.5=31.4m³
绛旓細鍥炵瓟锛氳川閲=浣撶Н脳瀵嗗害 = 蟺脳1.5^2脳2脳750 鈮10603 (鍗冨厠) 鈮10.6(鍚)
绛旓細1.5脳1.5x3.14x2x750 =7.065x2x750 =10597.5锛坘g)10597.5kg=10.5975鍚 绛旓細杩欎釜绮洡鑳借10.5975鍚ㄧ帀绫炽
