exam
Maths Puzzle
Numerical Ability
what is the circumference of a circle
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exam Other Question
Perform the indicated operations and simplify.
(v-8)/(v-9)-(v+1)/(v+9)+(v-27)/(v^2-81)
Add.
(3s^4-3s^3+5s^2+17s-10)+(s^5+7s^3+6s^2-5s+5)+(-6s^4+s^2-7s-3)
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