怎樣密鋪地磚
2006-10-21 2:05 am
一個正方形房間面積25平方米，如用900平方厘米的正方形地磚鋪砌，餘下空間若不能砌整塊地磚，可把地磚割小，但不可其碎片併砌，問最少要用多少塊地磚才能密鋪房間?
回答 (3)
2006-10-21 2:16 am
✔ 最佳答案
大正方邊長 5 米，小的 0.3 米。5 / 0.3
=16.7
單邊最少要 17 塊磚。
１７^２
= 289 //
2006-10-21 3:07 am
單邊最少要 17 塊磚。
１７^２
= 289 //
１７^２
= 289 //
2006-10-21 2:17 am
length of the side for the room:
= sqrt( 25 )m
= 5m
= 500cm
length of the side for the brick:
=sqrt( 900 )cm
= 30cm
total number for the brick to the room for a side:
500cm/30cm
= 17 ( 16.67 )
total number of brick:
17 *17 + 1
= 290#
= sqrt( 25 )m
= 5m
= 500cm
length of the side for the brick:
=sqrt( 900 )cm
= 30cm
total number for the brick to the room for a side:
500cm/30cm
= 17 ( 16.67 )
total number of brick:
17 *17 + 1
= 290#
收錄日期: 2021-04-12 19:06:53
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061020000051KK02629