作者WarcraftGod (我玩马超只有强)
看板GMAT
标题Re: [计量] 考古题p63第20题
时间Sun Oct 21 23:31:21 2007
※ 引述《smallwei12 (如果不要有那天)》之铭言:
: 20.A square board that has an area of 25 square inches is to be cut into
: pieces.each of which is a square with sides of length 1,2 or 3 inches.what
: is the least number of such square pieces into which the board can be cut?
: (A)5
: (B)6
: (C)7
: (D)8
: (E)9
: 请各位帮忙,需要详解!!谢谢,感恩
3 2
______________
| | B | 2
3 | A |_____|
|_______|__|__| 1
|C |__| D |
2 |____|__|_____| 2
2 1 2
希望你看的懂
A是边长为3的正方形
BCD是边长为2的正方形
剩下四个是边长为1的正方形
这题是问最少能切几块 所以是八块
by the way 如果问最多的话是25块 (25个边长为1的正方形)
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1F:→ smallwei12:谢谢你!!图解很清楚!!我了解了!!^^非常感恩~~ 10/22 19:46