Directions: Using the digits 1 to 9, at most two times each, place a digit in each box to make the sum of the four expressions the greatest possible value. Source: Catriona Shearer
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Tangent to a Cubic Graph
Directions: Using the digits 1 to 9, at most one time each, place a digit in each box make the statement true. Source: Catriona Shearer
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