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:algebra, prealgebra, pre-algebra,
simplify, numerical simplify, simplify numerically, evaluate
:operation, numeric simplify
:, Evaluate and Simplify
: $submit1
<input type="text" name="formula" size="25" maxlength="100" value="$var_1">
:2/3 + 7/8, 4/7 - 4/9, (x^18-1)/(x^6-1), 1/(x+1) - 1/(x-1)