# Star Operations

Pro Problems > Math > Number and Quantity > Number Theory > Star Operations# Featured Pro Problems

Solve an algebra problem involving a defined binary operation (the hashtag or pound symbol)

Find the value of x that makes the equation true, using the non-commutative operation specified

Find an ordered pair of values based on a definition of a star operation

Diamond Operation - calculate the value of x in the given diamond operation

A new operation involving fractions. Find the missing value

Find an operation rule that will satisfy the table of values given

Find the conditions under which the defined operation is commutative

Star operation and pound operation - two new operations in one problem

# Full Directory Listing

Commutative Operation, Diamond Operation, Fractional Operation, Guess the Star, h and k, Hashtag Operation, Non-Commutative Operation, Star and Pound Operations, Star Operation with Cubes, Triangular Operation# Blogs on This Site

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