El TeKi escribió:RMB escribió:Por favor, siento verguenza ajena.
La respuesta es 2, y pongo la prueba irrefutable.
Saludos
Porque por gente como tú y los que se dedican a hacer estos memes y que no llevan bien las mates, los que programan calculadoras tienen que hacer cambios para que entienda estas chorradas y no sean puristas como debería ser. Insisto, esto es un cambio que han hecho para que la gente que no entiende bien el orden de operaciones puedan poner esto y le salgan lo que se creen que da. Y si no, lee, las calculadoras más antiguas no lo hacían así, este cambio se está dando en las más nuevas (hay algunas antiguas que sí que lo tienen, pero por las mismas razones).
o 288
http://en.wikipedia.org/wiki/Order_of_operations escribió:Exceptions to the standard
There exist differing conventions concerning the unary operator − (usually read "minus"). In written or printed mathematics, the expression −32 is interpreted to mean −(32) = −9,[3] but in some applications and programming languages, notably the application Microsoft Office Excel and the programming language bc, unary operators have a higher priority than binary operators, that is, the unary minus (negation) has higher precedence than exponentiation, so in those languages −32 will be interpreted as (−3)2 = 9.[4] In cases where there is the possibility that the notation might be misinterpreted, parentheses are usually used to clarify the intended meaning.
Similarly, there can be ambiguity in the use of the slash ('/') symbol in expressions such as 1/2x. If one rewrites this expression as 1 ÷ 2 × x and then interprets the division symbol as indicating multiplication by the reciprocal, this becomes
Hence, with this interpretation we have that 1/2x is equal to (1/2)x, and not 1/(2x). However, there are examples, including in published literature, where implied multiplication is interpreted as having higher precedence than division, so that 1/2x equals 1/(2x), not (1/2)x. For example, the manuscript submission instructions for the Physical Review journals state that multiplication is of higher precedence than division with a slash,[5] and this is also the convention observed in prominent physics textbooks such as the Course of Theoretical Physics by Landau and Lifshitz and the Feynman Lectures on Physics.[6] Additionally, Wolfram Alpha considers that implied multiplication without parentheses precedes division, unlike explicit multiplication or implied multiplication with parentheses. 2*x/2*x and 2(x)/2(x) both yield x2, but 2x/2x yields 1.[7] The TI 89 calculator yields x2 in all three cases.[citation needed]
Textbooks, tutorials and teachers generally highly recommend taking care to avoid writing potentially ambiguous expressions, using a horizontal fraction line format in handwritten documents or if mathematical typesetting is available, or by inserting additional parentheses.[citation needed]
potatoe escribió:mmmmm....http://en.wikipedia.org/wiki/Order_of_operations escribió:Exceptions to the standard
There exist differing conventions concerning the unary operator − (usually read "minus"). In written or printed mathematics, the expression −32 is interpreted to mean −(32) = −9,[3] but in some applications and programming languages, notably the application Microsoft Office Excel and the programming language bc, unary operators have a higher priority than binary operators, that is, the unary minus (negation) has higher precedence than exponentiation, so in those languages −32 will be interpreted as (−3)2 = 9.[4] In cases where there is the possibility that the notation might be misinterpreted, parentheses are usually used to clarify the intended meaning.
Similarly, there can be ambiguity in the use of the slash ('/') symbol in expressions such as 1/2x. If one rewrites this expression as 1 ÷ 2 × x and then interprets the division symbol as indicating multiplication by the reciprocal, this becomes
Hence, with this interpretation we have that 1/2x is equal to (1/2)x, and not 1/(2x). However, there are examples, including in published literature, where implied multiplication is interpreted as having higher precedence than division, so that 1/2x equals 1/(2x), not (1/2)x. For example, the manuscript submission instructions for the Physical Review journals state that multiplication is of higher precedence than division with a slash,[5] and this is also the convention observed in prominent physics textbooks such as the Course of Theoretical Physics by Landau and Lifshitz and the Feynman Lectures on Physics.[6] Additionally, Wolfram Alpha considers that implied multiplication without parentheses precedes division, unlike explicit multiplication or implied multiplication with parentheses. 2*x/2*x and 2(x)/2(x) both yield x2, but 2x/2x yields 1.[7] The TI 89 calculator yields x2 in all three cases.[citation needed]
Textbooks, tutorials and teachers generally highly recommend taking care to avoid writing potentially ambiguous expressions, using a horizontal fraction line format in handwritten documents or if mathematical typesetting is available, or by inserting additional parentheses.[citation needed]
Para resumir, es un caso exactamente igual, mirarlo mejor en el enlace
![[qmparto]](/images/smilies/net_quemeparto.gif "Que me parto!")
vtr1993 escribió:Ya se que la operacion es una soberana gilipollez por lo facil, pero este tema viene de forocoches donde unos dan un resultado y otros otros,, decirme vosotros el resultado:
EDIT (poara que no haya confusiones): Hacerlo en modo fracciones, no lineal
48
____
2(9+3)
PD: Cuando llegemso a las 10 respuuestas compararemos
![[+risas]](/images/smilies/nuevos/risa_ani3.gif "más risas")
kokosone escribió:vtr1993 escribió:Ya se que la operacion es una soberana gilipollez por lo facil, pero este tema viene de forocoches donde unos dan un resultado y otros otros,, decirme vosotros el resultado:
EDIT (poara que no haya confusiones): Hacerlo en modo fracciones, no lineal
48
____
2(9+3)
PD: Cuando llegemso a las 10 respuuestas compararemos
El resultado correcto depende de si se hace lineal o en plan fracción. Se puede entender en el primer post. y seguís con la movida....
De verdad, que acabo de llegar de currar, y lo primero que veo es esto!
![[fumando]](/images/smilies/nuevos/fumando.gif "fumando")
stargate escribió:kokosone escribió:vtr1993 escribió:Ya se que la operacion es una soberana gilipollez por lo facil, pero este tema viene de forocoches donde unos dan un resultado y otros otros,, decirme vosotros el resultado:
EDIT (poara que no haya confusiones): Hacerlo en modo fracciones, no lineal
48
____
2(9+3)
PD: Cuando llegemso a las 10 respuuestas compararemos
El resultado correcto depende de si se hace lineal o en plan fracción. Se puede entender en el primer post. y seguís con la movida....
De verdad, que acabo de llegar de currar, y lo primero que veo es esto!
Claro sino fuera porque el primer Post fue modificado
Originalmente el primer post estaba como en el titulo
48:2(9+3) Luego hubo un pequeño cambio, que ha vuelto loco al hilo
