5个5算出一个1
\u4e09\u4e2a5\u4e00\u4e2a1\u600e\u4e48\u7b97\u51fa=245\u00d7\uff085-1\u00f75\uff09=24
\u3010\u8fc7\u7a0b\u3011
5\u00d7\uff085-1\u00f75\uff09
=5\u00d7\uff085-0.2\uff09
=5\u00d74.8
=24
5\u00d7\uff085-1\u00f75\uff09=24
~\u4eb2\uff0c\u5982\u679c\u4f60\u8ba4\u53ef\u6211\u7684\u56de\u7b54\uff0c\u8bf7\u70b9\u51fb\u3010\u91c7\u7eb3\u4e3a\u6ee1\u610f\u56de\u7b54\u3011\u6309\u94ae~
~\u624b\u673a\u63d0\u95ee\u7684\u670b\u53cb\u5728\u5ba2\u6237\u7aef\u4e0a\u8bc4\u4ef7\u70b9\u3010\u6ee1\u610f\u3011\u5373\u53ef\u3002
~\u4f60\u7684\u91c7\u7eb3\u662f\u6211\u524d\u8fdb\u7684\u52a8\u529b~~
O(\u2229_\u2229)O\uff0c\u4e92\u76f8\u5e2e\u52a9\uff0c\u795d\u5171\u540c\u8fdb\u6b65\uff01
``(5+5)÷5-5÷5=1
``55÷5-(5+5)=1
``(5- 5)×5+ 5÷5=1
``（5x5＋5）÷5－5=1
(5+5)/5-5/5=1
55/5-(5+5)=1
(5- 5)* 5+ 5 /5=1
（5x5＋5）/5－5=1
解：
(5+5)/5-5/5=1
55/5-(5+5)=1
（5x5＋5）/5－5=1
(5- 5)* 5+ 5 /5=1
(5- 5)* 5+ 5 /5=1
[(5+5)/5]-(5/5)=1
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