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[Description]
Introduction
T asks about the importance of algebraic expressions. What are they for?What are they built of? T asks students to give the example of algebraic expressions.
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[Description]
summing up
T asks questions. "What are like terms?""Give the example of like terms"Give the example of non like terms"Can you simplify the following expression a+2a-10a? What about 2a-4b?When do you add algebraic expressions?
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