12÷2 (2+3) =x Mennyi az eredmény?

#11: az hogy jelölve van a szorzás, vagy nincs, annak nincs jelentősége.

Zárójelen kívülieknél meg azonos szintű műveletek él balról jobbra a szabály.

Cseréld le a számológépet!

"An expression like 1/2x is interpreted as 1/(2x) by TI-82, as well as many modern Casio calculators, but as (1/2)x by TI-83 and every other TI calculator released since 1996, as well as by all Hewlett-Packard calculators with algebraic notation."

"the multiplication that is indicated by placement against parentheses (or brackets, etc) is often regarded (by science-y folks) as being "stronger" somehow than "regular" multiplication which is indicated by a symbol of some sort, such as "×".

Typesetting the entire problem in a graphing calculator verifies the existence of this hierarchy, at least in some software"

"the multiplication that is indicated by placement against parentheses (or brackets, etc) is often regarded (by science-y folks) as being "stronger" somehow than "regular" multiplication which is indicated by a symbol of some sort, such as "×".

Ez nettó marhaság. Forrás?

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Lap alja.