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**BODMAS rule**

**Modulus of a real no and virnaculum or bar**

**some algebraic formulae**

**Sets and operations related to it**

**Equations in two or three variables**

**Equations in two or three variables(word problems)**

**word problems related to operations of sets**

**Application of `(a^3-b^3)` formula in simplification**

**Miscellaneous**