装修问答

在墙角有一堆沙,呈 1 4 圆锥形(如图所示),沙堆顶点在两墙面交界线上,沙堆底面是半径为2?

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=
2 ×0.6×
1
3
×3:inline-table:1px solid black"> 1 4 ,
=0;vertical-align:1px solid black"> 1 3 ×3:middle" cellpadding="-1" cellspacing="-1"> 1 4 .628(立方米);vertical-align;
答:middle" cellpadding="-1" cellspacing="-1"> 初见521125 82024-05-16