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rys to
maro [del]
toto je ťažší oriešok. teda aspoň pre mňa
48÷2(9+3)=??? 2 or 288
ja by som dal 288. najskôr zátvorka a potom zľava doprava
48÷2(9+3)=??? 2 or 288
ja by som dal 288. najskôr zátvorka a potom zľava doprava
CHROBAK [del] to
rys
jj da sa na tom pekne nachytat :D to je to iste ako 48/24
ale s tym scitanim vyssie tak to je fakt krute :DD
ale s tym scitanim vyssie tak to je fakt krute :DD
jarok [del] to
rys
ak je medzi 2 a zatvorkou nasobenie tak vysledok je 24x12, nechce sa mi vytahovat kalkulacku :)
chrobak, nemas pravdu, nasobenie a delenie ma rovnaku prioritu, cize vypocitas zatvorky a potom podla poradia
odpoved:
Alenka: keby to bolo 48÷(2(9+3)), tak je to 2 :) lebo si si ohranicil cleny k sebe a vies teda, ze 48÷delis celym vyrazom (2(9+3)), ale v takomto zapise je to to iste ako 48x(9+3)÷2, co je to iste ako 48x6, co je 288 :)
Alenka: keby to bolo 48÷(2(9+3)), tak je to 2 :) lebo si si ohranicil cleny k sebe a vies teda, ze 48÷delis celym vyrazom (2(9+3)), ale v takomto zapise je to to iste ako 48x(9+3)÷2, co je to iste ako 48x6, co je 288 :)
tak som toho uz hodne z matiky aj zabudol, ale vazne som bol presvedceny ze 2 :)
ma pravdu, zatvorky maju prednost a potom je to uz jedno :)
no pomylisa niekedy aj ten co si matikou na chleba zaraba :)
jezo to
maro [del]
tka tam su ine komentare. ja to nechapem ako sa mozu tak vulgarne vyjadrovat. Primitiv za primitivom....
cize (48/2)(9+3)
takto by to bolo pre mna zrozumitelnejsie :D
takto by to bolo pre mna zrozumitelnejsie :D
ale ak by namiesto ÷ bola / cize zlomkova ciara tak vysledok by u mna bol urcite 2 aj tak :)
tvrdi este niekto ze je to vysledok 2?
lebo ja som o tom skalopevne presvedceny
pokial plati 48/2x
(edited)
ale uz nie :), typek to vysvetlil podobne, zalezi ako je to napisane, tak nist ten liter vareneho ma asi opil :D
It doesn't matter whether or not the multiplication is made explicit, as in
48÷2×(9+3)=288
or if division is represented by a slash, as in
48/2(9+3)=288
all of these variations mean the same thing.
One thing to keep in mind is that not everybody follows the standard. Some people prefer to do implied multiplication before other multiplication and division operations. Some people prefer to do all multiplications before division with /. Some people even prefer to do addition before division with /.
So, when you are reading math from an unfamiliar source, make sure you know what convention they are adopting. And no matter what convention you prefer, you really ought to write things in an unambiguous fashion -- e.g. you should avoid
48/2(9+3)
and instead use the crystal clear
(48/2)(9+3)
(edited)
lebo ja som o tom skalopevne presvedceny
pokial plati 48/2x
(edited)
ale uz nie :), typek to vysvetlil podobne, zalezi ako je to napisane, tak nist ten liter vareneho ma asi opil :D
It doesn't matter whether or not the multiplication is made explicit, as in
48÷2×(9+3)=288
or if division is represented by a slash, as in
48/2(9+3)=288
all of these variations mean the same thing.
One thing to keep in mind is that not everybody follows the standard. Some people prefer to do implied multiplication before other multiplication and division operations. Some people prefer to do all multiplications before division with /. Some people even prefer to do addition before division with /.
So, when you are reading math from an unfamiliar source, make sure you know what convention they are adopting. And no matter what convention you prefer, you really ought to write things in an unambiguous fashion -- e.g. you should avoid
48/2(9+3)
and instead use the crystal clear
(48/2)(9+3)
(edited)