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Maths Puzzle
Numerical Ability
a five-digit perfect square in the form of 5abc6 has a thousands digit a, hundreds digit b, and tens digit c. if a< b< c, what is the sum of a+b+c?
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book Other Question
were can i see the problems to 5-8 page 251 and 247?
Please help me simplify the following expression by combining like terms....step by step instructions would be great!
3x(2x-3)+5(2x-3)
Thank you