book
Maths Puzzle
Numerical Ability
Simplify as simple fraction with all exponents positive:
(x^-3*y^-2*z^-3)-(y^-1*z^-3)/(3*x)-(x^2*y)
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book Other Question
2 consecutive 4 digit number that has a sum of 9137.
(8x+2y)-(5x+4y)