\
The word sum indicates addition and the symbol is ()
The word times indicates multiplication, and the symbol is ()
Thus, the numerical expression is “”
The numerical expression is.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=17b1ff61cff401da6259a04b7aa4af47.png\")
)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4838e363eca1a46b22f36460670b1507.png\")
)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2b4157a3714e469c78c8503c1be503e9.png\")
” ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2a8dc159456cbd213f738b5c55343d16.png\")
.