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Home > PC3 > Chapter 1 > Lesson 1.1.5 > Problem 1-51


Though it looks like the following equations are true, each of them is actually false. Confirm this by substituting simple numbers for the variables and doing the arithmetic. Note: Do not use or ; they are too special. REMEMBER: EACH OF THESE STATEMENTS IS FALSE. 

Note: This stoplight icon will appear periodically throughout the text. Problems with this icon display common errors that can be made. Be
sure not to make the same mistakes yourself!

Try substituting numbers such as , , , and .