Commutative property:
Addition property: and Multiplication property:.
When a number is subtracted from itself then it holds but otherwise it doesnot.
When a number is subtracted from it self then it holds but otherwise it doesnot.
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and Multiplication property:![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=16e43aeec14da4d1c858f1cc3b954e59.png\")
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