![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The statement is “![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=48373ba2d92c879ee04fb1eb81da4714.png\")
”
Associative property of addition:
\The way in which numbers are grouped when added does not change the sum.
\For any numbers a, b and c; ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=63b30614ae855254f4086bd0186079d1.png\")
According to associative property
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7ef62328257c4ee6428ce0f425dbfc5a.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=af28e5cb52e80464da2712ef913b663b.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=551b5d5c2ab6ec771412c01385f17f0e.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=735edfff9a8810c483577e92ab61d89d.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3077e782ebbbfd536a321976608a8d48.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The sum is 55.
\