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现在参加这个测试
Adding Expressions
(x+6) + (3x+3)
(12-7y)+(4y+10)
(-8x-13)+(2x-9)
(4p+6q-11r)+(-8p+6q-3r)
What is the perimeter of the figure?
参加了这次测试的学生也参加了 :
Greatest common factor - algebra
Multiplying and dividing expressions
Subtracting expressions
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That Quiz
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