book Maths Puzzle Numerical Ability

1 over x-1 minus 2 over x-2 plus 1 over x-3

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book Other Question

how do you put y=x on a coordinate grid Your help on this will be greatly appreciated.

A line is 5.6 units long and has one point at (5.1,6.3). The sum of the coordinates of the unknown endpoint is 15.3. What are th