24粒數粒可以拼成多少種長方體

5 pics


24 : 0 UP. BOTTOM : 12RIGHT. LIFT : 0

IT IS NO SPACE it is not okay
----------------------------------===========================
22 : 2 TOP., BOTTOM : 11+11 RIGHT., LIFT : 1+1

20 : 4 TOP., BOTTOM : 10+10 RIGHT., LIFT : 2+2

18 : 6 TOP., BOTTOM : 9+9 RIGHT., LIFT : 3+3

16 : 8 TOP., BOTTOM : 8+8 RIGHT., LIFT : 4+4

14 : 10 TOP., BOTTOM : 7+7 RIGHT. ,LIFT : 5+5

問題即是問 24 = a × b × c 可以寫成多少個形式，其中 a, b, c 是整數。

24
= 1 × 24
= 2 × 12
= 3 × 8
= 4 × 6
= 6 × 4
= 8 × 3
= 12 × 2
= 24 × 1

再把每個數再拆開兩數相乘：
12
= 1 × 12
= 2 × 6
= 3 × 4

8
= 1 × 8
= 2 × 4

6
= 1 × 6
= 2 × 3

4
= 1 × 4
= 2 × 2

3
= 1 × 3

2
= 1 × 2

1
= 1 × 1

2015-05-12 18:22:27 補充：
因此，
24
= 1 × 1 × 24
= 1 × 2 × 12
= 1 × 3 × 8
= 1 × 4 × 6
= 2 × 2 × 6
= 2 × 3 × 4

I don't know.我想應該是4種吧。

24粒數粒可以拼成4種長方體