1-1
1-1 is a mathematical expression that evaluates to:
- 0 (number) The mathematical expression 1-1 equals 0. The simple equation of one minus one represents the fundamental concept of subtraction, where taking a single quantity away from an identical quantity leaves nothing behind. In the realm of arithmetic, this zero acts as a profound placeholder and a symbol for complete absence or equilibrium.
The term 1-1 may refer to:
- New Year's Day, a public holiday in many countries, held annually on the first of January
- Schweizer SGP 1-1, an American glider design
- World 1-1, the first level of Nintendo's Super Mario Bros.
See also
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