Mathematics Handbook/Subtraction: Difference between revisions
wikademia>Sluutu No edit summary |
wikademia>Eme m 5 revisions |
(No difference)
| |
Latest revision as of 18:11, 20 November 2010
- a - 0 = a → Any number minus zero leaves that same number
- a - (a) = 0 → Any number minus itself leaves zero
- a - (-a) = 2a → Any number minus its opposite (additive inverse) leaves double the number
- (-a) - (a) = -2a → Any negative number minus its opposite (additive inverse) leaves double negative of that number