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758.2. Algebraic expression transformation.

Write the answer!

Here are given algebraic expressions
1) \frac{ab-bc^{2}-bc+2b-c}{bc}
2) \frac{bc+a+b}{c}
3) \frac{bc}{a}+a+\frac{a}{c}

Which of these expressions can be obtained by doing algebraic transformations with the example given expression \frac{a+2}{c}+\frac{b-1}{b}-c​?
Grade:
8
Subject
Algebra
Theme
7.grade mathematics course repetition
Subtheme
Algebraic expression transformation

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