用加减乘除括号，算5个4等于2

5\u4e2a4\uff0c\u52a0\u51cf\u4e58\u9664\u62ec\u53f7\u600e\u4e48\u6837\u7b97\u7b49\u4e8e1\u523020\uff1f

7
\u548c
19
\u7528\u4e86\u4e00\u6b21\u6839\u53f7\uff0c\u5176\u4f59\u7684\u90fd\u53ea\u7528\u4e86
+\uff0c-\uff0c\u00d7\uff0c\u00f7\uff0c()
1
=
(4-4)\u00d74+4\u00f74
2
=
(4+4)\u00f74+4-4
3
=
4-4+4-4\u00f74
4
=
4-4+4-4+4
5
=
4-4+4+4\u00f74
6
=
4+4\u00f74+4\u00f74
7
=
4\u00f74+4+4-\u221a4
\uff1f\uff1f\uff1f
8
=
4+4+(4-4)\u00d74
9
=
(4+4\u00d74)\u00f74+4
10
=
(4+4)\u00f74+4+4
11
=
4+4+4-4\u00f74
12
=
4+4+4+4-4
13
=
4\u00d74-4+4\u00f74
14
=
4\u00d74-(4+4)\u00f74
15
=
(4\u00d74\u00d74-4)\u00f74
16
=
(4+4\u00f74)\u00d74-4
17
=
(4\u00d74\u00d74+4)\u00f74
18
=
4\u00d74+(4+4)\u00f74
19
=
4\u00d74+\u221a4+4\u00f74
\uff1f\uff1f\uff1f
20
=
4+4+4+4+4
\u6709\u4e9b\u6570\u4e0d\u6b62\u4e00\u79cd\u7b97\u6cd5\uff0c\u6bd4\u5982\uff1a4,
20
\u7b49\uff0c\u8fd9\u91cc\u4e0d\u518d\u5217\u4e3e\u4e86

\uff086\u00d76\uff0d6\uff09\u00f76=5

比较简单吧。。。

四 除以 (四分之四+四分之四)=二

4/(4/4+4/4)=2

4-4/4-4/4=2

浜斾釜4鍦ㄤ腑闂鐢ㄥ姞鍑忎箻闄=0.1.2.3.4.5
绛旓細(4-4)*4+4-4=0 (4-4)*4+4/4=1 (4+4+4-4)/4=2 (4/4*4)-(4/4)=3 (4+4+4+4)/4=4 4+(4-4)+4/4=5

4涓5濡備綍杩愮敤鍥涘垯杩愮畻,鍗鍔犲噺涔橀櫎鍜鎷彿,璁╁叾缁撴灉绛変簬2
绛旓細5梅5+5梅5=2

4涓5鐢ㄥ姞鍑忎箻闄ゆ嫭鍙鎬庢牱绠楃瓑浜2璇锋暀澶氱鏂规硶
绛旓細5/5+5/5

5涓5鐢ㄥ姞鍑忎箻闄ゆ嫭鍙缁撴灉绛変簬2 绗﹀彿涓嶈兘閲嶅浣跨敤
绛旓細锛5脳5锛5锛壝凤紙5+5锛=2

4涓5鍒嗘庝箞鐢ㄥ姞鍑忎箻闄ょ畻鍑虹瓑鏁颁负2
绛旓細5/5+5/5 鈥/鈥濊〃绀洪櫎鍙 鍏涔橀櫎鍚鍔犲噺鐨勮绠楁硶鍒欒繘琛岃绠 鍙婁负1鍔1 绛変簬2

鍥涓4鐢ㄥ姞鍑忎箻闄鐨勬柟娉曟渶缁绛変簬2鎬庝箞鍋?
绛旓細4梅(4锛4)脳4=2 4梅(4锛4)脳4=2 4梅(4锛4)脳4=2 4脳4梅(4锛4)=2 (4梅4)锛4梅4=2 4梅4锛(4梅4)=2 4梅4锛4梅4=2 4鈥(4锛4)梅4=2 (4梅4)锛4梅4=2 4梅4锛(4梅4)=2 4梅4锛4梅4=2 4鈥(4锛4)梅4=2 4脳4梅(4锛4)=2 4脳4梅(4锛4)=2 (4梅4)...

鐢ㄥ姞鍑忎箻闄娉4涓5鎬庝箞绛変簬2 棰樼洰:5()5()5 ()5=2鍦鎷彿閲屽～鍐欏姞鍑忎箻闄...
绛旓細5锛埫凤級5锛堬紜锛5 锛埫凤級5锛2

5涓5鐢ㄥ姞鍑忎箻闄鎬庢牱绛変簬2
绛旓細(5+5)梅5+5-5=2

鍥涗釜5杩愮敤鍔犲噺涔橀櫎鏈鍚绛変簬2
绛旓細杩欐牱鍙互鍚

璇锋暀5涓3缁忚繃鍔犲噺涔橀櫎鎷彿鍚绛変簬2鎬庝箞绠?
绛旓細33 / 3 + (-3 * 3)=11 - 9 =2

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