exam
Maths Puzzle
Numerical Ability
Simplify by adding like terms
-3xy + 8xy^-1x^0/y^-2 - 3x^2x^-1x/(x^-1)^-1
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exam Other Question
The perimeter of a square is 20 centimeters. Find the length of a diagonal.
Divide.
(5x^7-3x^4+2x^2-10x+2)÷(x^2-x+1)