题目

509移动两根火柴变成最大的数字

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 <font face="DS-Digital" size="6">5&thinsp;0&thinsp;9</font>

答案

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<font face="DS-Digital" size="6">9&thinsp;1&thinsp;1&thinsp;8&thinsp;</font>

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<font face="DS-Digital" size="6">1&thinsp;5&thinsp;1&thinsp;1&thinsp;9&thinsp;</font>

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<font face="DS-Digital" size="6">5&thinsp;1&thinsp;1&thinsp;9&thinsp;1</font>

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<font face="DS-Digital" size="6">5&thinsp;1&thinsp;1&thinsp;9</font>&thinsp;&thinsp;<b>$^{^{▏▏}}$</b>

$$\begin{gathered} 5119^{11}=6.3246489511041617693151128875401e+40 \\ =6.3e+40 \end{gathered}$$

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注：此答案不符合低数字体大小小于幂数字体大小的书写规范，如果出题人承认这个答案符合也是可以的！

</font><b>$_{_{▏▏}}$</b><font face="DS-Digital" size="6">5&thinsp;1&thinsp;1&thinsp;9</font>

$$\begin{gathered} 11^{5119}=7.7473883276855757782491544228195e+5330 \\ =7.7e+5330 \end{gathered}$$