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NOMBRES REALS (T1) - Coggle Diagram
NOMBRES REALS (T1)
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Decimal a fracció
Pur - x=1,232323 → 100x=123,232323
(100x = 123,23) – (x = 1,23) → 99x = 122 → x= 122/99
Mixt - 4,1575757 → 10x = 41,575757
(1000x = 4157,57) – (10x = 41,57) → 990x = 4116 → x= 4116/990 = 686/165
Exacte - 256,894 · 1000/1000 = 256894/1000
Recta real
Intervals: a < b o a > b
Infinit o semirecta real [a,+∞); (a,+∞); (-∞,b]; (-∞,b)
Semioberts/ semitancats - (a,b] o [a,b)
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