口舌痣好不好:log question

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p的整数部分？
p=1/log2 11+1/log3 11+1/log4 11+1/log5 11
求过程
笔算

p=lg2/lg11+lg3/lg11+lg4/lg11+lg5/lg11
=(lg2+lg3+lg4+lg5)/lg11

用科学计算器算就行了,上面的lg就是计算器里面的log

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