happy7

$${\mathtt{a}}{\mathtt{\,\small\textbf+\,}}{\mathtt{5}}{\mathtt{\,\times\,}}{\mathtt{11}}{\mathtt{\,\times\,}}{\sqrt{{\mathtt{a}}}}{\mathtt{\,-\,}}{\mathtt{3}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}} = {\mathtt{6}} \Rightarrow {\mathtt{a}} = {\mathtt{7}}{\mathtt{\,-\,}}{\mathtt{55}}{\mathtt{\,\times\,}}{\sqrt{{\mathtt{a}}}}$$

$${\mathtt{\,-\,}}\left({\mathtt{5}}{\mathtt{\,\times\,}}\left(-{\mathtt{4}}\right){\mathtt{\,\times\,}}{\mathtt{2}}\right) = {\mathtt{40}}$$

5 with a remainder of 4

9 out of 10 is 90%

for

9/10=0.9

0.9=90%

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