The word sum indicates addition, and the symbol is ()
Thus, the algebraic expression is “”
The algebraic expression is .
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) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=739fe492719cb48675765a820bd2d8c0.png\")
” ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
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.