\
The expression is
.
\
(Substitute:
)
\
(Add:
)
\
The value of the expression is 11.2.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5051f397fb06c70477c98c6927df058b.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ffabb4f719646c20ed03deb329a20ec0.png\")
(Substitute: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c9ab87eae68f269e1cf09cbccde41159.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6e9137c25a95955c0c183b03fcdcd0d7.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ad168b6a51066dfdc294093ae7eb2877.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")