Examlex
Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last
variable be the arbitrary variable.
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Chronological Age
The actual age of a person or object, measured in years from the date of birth or creation.
Alfred Binet
A French psychologist who, with his colleague Théodore Simon, developed the first practical intelligence test in the early 20th century.
Intelligence Level
A measure of one's cognitive abilities, including the ability to learn, understand, reason, plan, and solve problems, often assessed through standardized intelligence tests.
Deviation IQ Scores
A method of calculating an individual's IQ score relative to the average IQ scores of their age group.
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