直径60cm高100cm的圆柱体能装多少斤水 直径60厘米 高60厘米的圆柱体能装多少的水
\u76f4\u5f8460cm\u9ad8100cm\u7684\u5706\u67f1\u80fd\u76db\u591a\u5c11\u5347\u6c34\uff0860/2\uff09\u7684\u5e73\u65b9*\u03c0*100=282600\uff08\u6beb\u5347\uff09
282600\u6beb\u5347=282.6\u5347
\u7b54\u6848\u662f282.6\u5347
\u534a\u5f84\u662f60\u00f72=30(\u5398\u7c73)
\u80fd\u88c5\u6c343.14\u00d730²\u00d760\u00f71000=169.56(\u5347)
V=3.14* 30² *100=282600(cm³)=282.6(升)
一升水重量为1千克,一千克=一公斤=两斤,
所以,能装水的质量为:
282.6X2=565.2(斤)
绛旓細3.14脳锛60梅2锛²脳100 =3.14脳900脳100 =3.14脳90000 =282600锛cm)³
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