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Maths Puzzle
Numerical Ability
eight to the second power minus three to the second power times six divided by eighteen plus nine
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book Other Question
[2X-7][2X^2+3X-11]
Solve for x,y in the following system of three
x + 10y + z = 52
5x + y + 4z =15
x + 2y - 3z = 12