exam Maths Puzzle Numerical Ability

[(8+5)(6-2)^2]-(4*17/2)
----------------------- <-- divided by
[(24/3)/3}

thanks you ps im not goin to reply back sayin thank you because i alrady did ;]

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exam Other Question

Show that the numbers is rational by writing it as a quotient of two intergers.

4. 0.37

Any help with this equation would be <b>GREATLY</b> appreciated.
Perform the indicated operation. 3rs(5r^2s-4rs+6rs^2)