Rare card
Extended real number line
- Value
- 50 W
- Attack
- 258
- Defence
- 206
- Players
- 0
In mathematics, the extended real number system is obtained from the real number system R {\displaystyle \mathbb {R} } by adding two elements denoted + ∞ {\displaystyle +\infty } and − ∞ {\displaystyle -\infty } that are respectively greater and lower than every real number.
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