exam
Maths Puzzle
Numerical Ability
Simplify
(h^-2 - m^-2)/(m^-1 - h^-1)
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exam Other Question
i need help doing these please.
These are suppose to be open sentences.
[3b-5]=7
[w+5]>1
6x+3y-2z=1
2x+y-3z=4
x-y+z=2