3()3()3()3() =5应该填什么运算符号 =7 =2 =4 =8 3()3()3=1,2.3.4.5.6.7.8添上适当的运算...

3 7 5=3\u8bf7\u95ee3\uff0c7\uff0c5\u4e4b\u95f4\u7528\u4ec0\u4e48\u8fd0\u7b97\u7b26\u53f7\u4f7f\u5de6\u53f3\u4e24\u8fb9\u76f8\u7b49\uff1f

\u7528\u9636\u4e58\u8fd0\u7b97\u3002
3-7+5\uff1d3\uff0c3-7\uff1d-2\uff0c-2+5\u53ef\u5f973\u3002\u5df2\u77e5\u5de6\u53f3\u4e24\u8fb9\u90fd\u4e3a3\uff0c\u6240\u4ee5\u5de6\u53f3\u4e24\u8fb9\u76f8\u7b49\u3002
1\u3001\u7ed3\u679c\u7b49\u4e8e1\uff1a3\uff0d7\uff0b5\uff1d1\u3002
2\u3001\u7ed3\u679c\u7b49\u4e8e2\uff1a\uff083\uff0b7\uff09\u00f75\uff1d2\u3002
3\u3001\u7ed3\u679c\u7b49\u4e8e3\uff1a3\uff01\u00f7\uff087\uff0d5\uff09\uff1d6\u00f72\uff1d3\u3002
4\u3001\u7ed3\u679c\u7b49\u4e8e4\uff1a\uff087\uff0b5\uff09\u00f73\uff1d4\u3002
5\u3001\u7ed3\u679c\u7b49\u4e8e5\uff1a3\uff0b7\uff0d5\uff1d5\u3002
6\u3001\u7ed3\u679c\u7b49\u4e8e6\uff1a3\u00d7\uff087\uff0d5\uff09\uff1d6\u3002
7\u3001\u7ed3\u679c\u7b49\u4e8e7\uff1a7\uff01\u00f75\uff01\u00f73\uff01\uff1d5040\u00f7120\u00f76\uff1d7\u3002
\u6269\u5c55\u8d44\u6599\uff1a
\u7531\u4e8e\u6b63\u6574\u6570\u7684\u9636\u4e58\u662f\u4e00\u79cd\u8fde\u4e58\u8fd0\u7b97\uff0c\u800c0\u4e0e\u4efb\u4f55\u5b9e\u6570\u76f8\u4e58\u7684\u7ed3\u679c\u90fd\u662f0\u3002\u6240\u4ee5\u7528\u6b63\u6574\u6570\u9636\u4e58\u7684\u5b9a\u4e49\u662f\u65e0\u6cd5\u63a8\u5e7f\u6216\u63a8\u5bfc\u51fa0\uff01=1\u7684\u3002\u5373\u5728\u8fde\u4e58\u610f\u4e49\u4e0b\u65e0\u6cd5\u89e3\u91ca\u201c0\uff01=1\u201d\u3002\u7ed9\u201c0\uff01\u201d\u4e0b\u5b9a\u4e49\u53ea\u662f\u4e3a\u4e86\u76f8\u5173\u516c\u5f0f\u7684\u8868\u8ff0\u53ca\u8fd0\u7b97\u66f4\u65b9\u4fbf\u3002
\u901a\u5e38\u6240\u8bf4\u7684\u9636\u4e58\u662f\u5b9a\u4e49\u5728\u81ea\u7136\u6570\u8303\u56f4\u91cc\u7684\uff08\u5927\u591a\u79d1\u5b66\u8ba1\u7b97\u5668\u53ea\u80fd\u8ba1\u7b97 0\uff5e69 \u7684\u9636\u4e58\uff09\uff0c\u5c0f\u6570\u79d1\u5b66\u8ba1\u7b97\u5668\u6ca1\u6709\u9636\u4e58\u529f\u80fd\uff0c\u5982 0.5\uff01\uff0c0.65\uff01\uff0c0.777\uff01\u90fd\u662f\u9519\u8bef\u7684\u3002\u4f46\u662f\uff0c\u6709\u65f6\u5019\u6211\u4eec\u4f1a\u5c06Gamma \u51fd\u6570\u5b9a\u4e49\u4e3a\u975e\u6574\u6570\u7684\u9636\u4e58\uff0c\u56e0\u4e3a\u5f53 x \u662f\u6b63\u6574\u6570 n \u7684\u65f6\u5019\uff0cGamma \u51fd\u6570\u7684\u503c\u662fn\uff0d1\u7684\u9636\u4e58\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-\u7b49\u5f0f

3^(3-3)=1
(3+3)/3=2
3+3-3=3
3/3+3=4
333=5
3*3-3=6
333=7

5,he 7\u4e0d\u4f1a\uff0c\u4f30\u8ba1\u662f4\u4e2a3\u5427

（3+3）÷ 3+3=5
3÷3+3+3=7
3÷3+3÷3=2
3×3-3÷3=8
（3×3+3）÷3=4

3+3-3/3=5
3+3+3/3=7
3/3+3/3=2
3*3-3/3=8

（3*3+3）／3=4
3+3+3/3=7
3/3+3/3=2
3*3-3/3=8

(3+3)/3+3=2+3=5
3+3+3/3=6+1=7
3/3+3/3=1+1=2

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