exam
Maths Puzzle
Numerical Ability
how do i do it an equilateral triangle with sides of 8cm.
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exam Other Question
Suppose that 2^a + 2^b = 3^c + 3^d, where all of the exponents are integers. How many of a, b,c, and d could be negative?
solve and check the equation for x
x/6 - x/8 = 1