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Post Posted: 08-06-2012, 17:03:11 | Translate post to: ... (Click for more languages)

Suma a trei numere este 944.Suma primelor doua este 749,iar suma ultimelor este 521.
Care sunt cele trei numere ?
Rezolvare
1.________________________________________________________?

2.________________________________________________________?

3.________________________________________________________?

4.________________________________________________________?

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Multumesc.
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In2ition

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Post Posted: 08-06-2012, 17:18:39 | Translate post to: ... (Click for more languages)

Si de ce sunt 1,2,3,4 spatii goale ?

Posturi unite automat, 08-06-2012, 18:18:39

a+b+c = 944;
a+b = 749; => a=749-b;
b+c= 521; => c=521-b;

Inlocuiesti in prima relatie:
749-b + b + 521-b = 944;
1270-b=944; => -b=944-1270=> b=326;
b=326 => a=749-326=423;
=> c=521-326=195;


De curiozitate, ce clasa esti? Sisteme de genul faceam in clasa a 5-a.


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no really, dacã nu era așa țãrancã, și dacã era în bucurești, o luam de nevastã

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Post Posted: 08-06-2012, 17:55:06 | Translate post to: ... (Click for more languages)

Ms 1.
2.
3.
4.
erau operiatiile
Trec in a 4-a deci sunt a 3-a


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In2ition

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Post Posted: 08-06-2012, 20:33:03 | Translate post to: ... (Click for more languages)

In a 3-a nu cred ca stii sensul relatiei
- operator = - numar



a+b+c = 944;
a+b = 749; => a=749-b;
b+c= 521; => c=521-b;

Inlocuiesti in prima relatie:
749-b + b + 521-b = 944;
1270-b=944; => 1270-944=b => b=326;
b=326 => a=749-326=423;
=> c=521-326=195;


Ai putea sa rescrii asa partea cu b. Cu placere.


We stop looking for monsters under the bed when we realize they're inside of us.

nr913 wrote:
no really, dacã nu era așa țãrancã, și dacã era în bucurești, o luam de nevastã

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Post Posted: 09-06-2012, 08:05:59 | Translate post to: ... (Click for more languages)

In2ition-e bun tare!! Respect int[mi-ai luat'o inainte]gg +rep[respect4you]
Sunt bune:XX


M-am mutat,Sunt shiny mai nou.
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