Alexandru are de doua ori mai multi bani decat sora sa .Daca Alexandru i-ar da surorii sale 12 lei,atunci ai ar avea aceiasi suma.Cati lei are Alexandru?

Răspunsul a fost dat de: USER7884
28 Agustus 2025 matematica 5 minute
4.5
153 Vezi 153 comentarii 10 Distribui
Responsive Ad Header

Întrebare

Clasă: Education Materie: matematica
Alexandru are de doua ori mai multi bani decat sora sa .Daca Alexandru i-ar da surorii sale 12 lei,atunci ai ar avea aceiasi suma.Cati lei are Alexandru?
Întrebare a fost pusă de:
153 Vezi 153 Răspunsuri

Răspuns (153)

Cel mai bun răspuns
(49)
a=2b; a-12=b+12; 2b-12=b+12; 2b-b=12+12 b=24 a=48
Răspunsul a fost dat în data 28 Agustus 2025
(135)
a= alexandru 
s=sora 
a=2*s
a=s+12
12+s=2*s
12=2*s-s=s => s=12
a=12+12=12*2=24



Răspunsul a fost dat în data 28 Agustus 2025

Articole relevante

This punnett square shows a cross between two tall pea plants what percentage of the offspring will be tall

107 Vezi 107 comentarii

HELP ASAP!!!!!!!!!!!What figure is a dilation of Figure A by a factor of 3? A quadrilateral labeled figure A. The sides are labeled 6 meters, 2 meters, 3 meters, and 3 meters, clockwise about the figure. Note that the images are not necessarily drawn to scale. A quadrilateral. The sides are labeled 18 meters, 6 meters, 9 meters, and 9 meters, clockwise about the figure. A quadrilateral. The sides are labeled 12 meters, 6 meters, 6 meters, and 9 meters, clockwise about the figure.

160 Vezi 500 comentarii

Eddie built a ramp shown to train his puppy to do tricks. Describe two ways to find the surface of the ramp

107 Vezi 107 comentarii

What was one major effects of the spread of Railroads Rd., Great Britain during the industrial revolution

105 Vezi 105 comentarii

What could cause a sudden 003-000 error code after a recent gas line work?

74 Vezi 74 comentarii

How did the Supreme Court justify its ruling in favor of the Second Bank of the United States?

94 Vezi 94 comentarii

What is the role of 'finally' blocks in exception handling, and when are they useful?

85 Vezi 85 comentarii

Explain how exception handling helps in writing more maintainable code.

71 Vezi 71 comentarii

How do custom exceptions enhance the robustness of a program?

61 Vezi 61 comentarii

In what scenarios might traditional error handling (e.g., checking return codes) be preferred over exception handling?

118 Vezi 118 comentarii

dau COROANA .... stiind ca suma a două numere este 80 iar diferenta lor este 20,să se afle numerele . vă rog repede si vreau explicatii ,multumesc

153 Vezi 153 comentarii

aflati nr naturale sub forma abc stiind ca abc-ab -c=486.

58 Vezi 58 comentarii

Diferenta numerelor este 900 , iar primul numar este de 10 ori mai mare decit al doilea . Va rog , grafic imi trebuie

118 Vezi 118 comentarii

Bonjour aidez-moi SVP ? C'est sur l'anglais !

Remets les mots dans l'ordre pour construire des phrases interrogatives au prétérit :

a) arrive/te/plane/when/dis/?
b) write/she/did/the letter/?
c) did/your parents/get up/what time/?
d) the accident/did/happen/when/?

Merci de m'avoir aider !​

160 Vezi 339 comentarii

explica de ce poezia de mihai eminescu se intituleaza lacul

59 Vezi 59 comentarii