輪胎算 - 拼圖
![Olga avatar](/img/dog1.jpg)
By Olga
at 2007-11-29T22:20
at 2007-11-29T22:20
Table of Contents
顧名思義 就是在輪胎上作計算
輪子週邊都有數字 每個輪子都有特定或某些數學公式
從某數字開始 沿車輪順時鐘或逆時鐘環繞 即可找到公式
但有以下規定 (1)只能使用+ - * / =
(2)每個符號最多只能使用兩次 如: 1*2*3*4 就不允許 (乘號用三次)
(PS. 有一形式為 ...=... 如 222411=222411, 但不建議這樣解題)
↑
(3)環繞輪胎必須繞回或超過起點 (以下題為例)
例題:
4 根據上述規定 你可以用下面算式完成
2╭──╮1
│╭╮│ (1) 22 * 2 / 4 = 11 (2) 1 * 2 + 2 + 2 * 4 / 1 = 12
│╰╯│
2╰──╯1 (3) 2 * 2 = 4 = 1 + 1 + 2 (4) 1 * 12 * 2 = 24
2
如果了解題意的話 請試試以下輪胎 (每題可能只有一解 可能有多解)
(1) (2) (3)
2 2
2╭──╮4 1╭──╮5 2╭──╮3
│╭╮│ │╭╮│ │╭╮│
│╰╯│ │╰╯│ │╰╯│
8╰──╯2 3╰──╯4 8╰──╯9
8 3 2
Enjoy!
--
輪子週邊都有數字 每個輪子都有特定或某些數學公式
從某數字開始 沿車輪順時鐘或逆時鐘環繞 即可找到公式
但有以下規定 (1)只能使用+ - * / =
(2)每個符號最多只能使用兩次 如: 1*2*3*4 就不允許 (乘號用三次)
(PS. 有一形式為 ...=... 如 222411=222411, 但不建議這樣解題)
↑
(3)環繞輪胎必須繞回或超過起點 (以下題為例)
例題:
4 根據上述規定 你可以用下面算式完成
2╭──╮1
│╭╮│ (1) 22 * 2 / 4 = 11 (2) 1 * 2 + 2 + 2 * 4 / 1 = 12
│╰╯│
2╰──╯1 (3) 2 * 2 = 4 = 1 + 1 + 2 (4) 1 * 12 * 2 = 24
2
如果了解題意的話 請試試以下輪胎 (每題可能只有一解 可能有多解)
(1) (2) (3)
2 2
2╭──╮4 1╭──╮5 2╭──╮3
│╭╮│ │╭╮│ │╭╮│
│╰╯│ │╰╯│ │╰╯│
8╰──╯2 3╰──╯4 8╰──╯9
8 3 2
Enjoy!
--
Tags:
拼圖
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at 2007-12-03T22:44
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