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Maths Puzzle
Numerical Ability
Evaluate the following
1 -2 3 -4 5
-2 3 0 5 -1
2 -2 -3 3 -3
-2 3 -3 5 -6
6 -1 3 -7 9
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book Other Question
Use method to simplify each complex fraction
1. 12 / x -1 / 6 / x
2. 2/s - 3/t / 4t^2 - 9s^2 /st
14/a^2 - 1 + 1/a-1 = 3/a+1