※ 引述《smallwei12 (如果不要有那天)》之銘言：
: 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
: 請各位幫忙，需要詳解!!謝謝，感恩
3 2
______________
| | B | 2
3 | A |_____|
|_______|__|__| 1
|C |__| D |
2 |____|__|_____| 2
2 1 2
希望你看的懂
A是邊長為3的正方形
BCD是邊長為2的正方形
剩下四個是邊長為1的正方形
這題是問最少能切幾塊 所以是八塊
by the way 如果問最多的話是25塊 (25個邊長為1的正方形)
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