99999999999999999999999999999999999999999999999
世界上最难的数学题99999999999999999999999999999999999999999999999*9999999999999999999999999999...
世界上最难的数学题
99999999999999999999999999999999999999999999999*9999999999999999999999999999999999999999999999是多少? 展开
99999999999999999999999999999999999999999999999*9999999999999999999999999999999999999999999999是多少? 展开
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99999999999999999999999999999999999999999999999*9999999999999999999999999999999999999999999999
=(10^48-1)(10^47-1)
=10^95-10^48-10^47+1
=10^95-10×10^47-10^47+1
=10^95-11×10^47+1
这个结果共有94位数,
9.890.1
连续46个9 后是89 再连续45个0,个位是1
=(10^48-1)(10^47-1)
=10^95-10^48-10^47+1
=10^95-10×10^47-10^47+1
=10^95-11×10^47+1
这个结果共有94位数,
9.890.1
连续46个9 后是89 再连续45个0,个位是1
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