Aflati nr ab stiind ca :
ab-ba este pătrat perfect .

Răspunsul a fost dat de: USER7526
2 September 2025 matematica 5 minute
4.5
60 Vezi 60 comentarii 10 Distribui

Întrebare

Clasă: Education Materie: matematica
Aflati nr ab stiind ca :
ab-ba este pătrat perfect .
Întrebare a fost pusă de:
60 Vezi 60 Răspunsuri

Răspuns (60)

Cel mai bun răspuns
(301)

ab-ba=patrat perfect

a≠0; b≠0 si a≥b

10a+b-10b-a=9a-9b=9(a-b)

9(a-b)=patrat perfect

9=3²

=> a-b=patrat perfect

a-b=0=> a=b => ab∈{11, 22, 33, …., 99}

a-b=4 => ab∈{51; 62; 73; 84; 95}

Răspunsul a fost dat în data 2 September 2025

Articole relevante

Why does your body need both movable and immovable joints?

58 Vezi 58 comentarii

What are life experiences and what are examples of life experiences considered in the eyes of colleges and universities. Especially an ivy league because im curious.

160 Vezi 165 comentarii

1 2 3 4 5 6 7 8 9 10 TIME REMAINING 02:51:01 If sufficient rest is taken between workout activities targeting specific muscle groups, how many sessions of the same activity can safely be performed in a one-week period at the MOST? A. two B. three C. four D. five

160 Vezi 271 comentarii

• The seven Cherokee clans lived ihat is now northern _______blank and _____________ blank, the western _______________ blank, and eastern ________________________ blank.

160 Vezi 170 comentarii

Alexander paid seven dollars to park her car for three hours at the parking garage .the garage charge is a constant hourly parking rate wrote and equation that shows the relationship between P, The number of hours parked,and c,The cost in dollars

160 Vezi 246 comentarii

Which term defines a well-tested, scientifically supported statement that explains how something works? A. Hypothesis B. Law C. Observation D. Theory

149 Vezi 149 comentarii

The willingness to take risks and pursue thrills on the job is a personality trait that has grown in importance in the high technology era. T/F

143 Vezi 143 comentarii

The personality trait of openness relates primarily to how eagerly a person enters into relationship with other people. T/F

123 Vezi 123 comentarii

What are the implications of error 0x800f081f for the stability of my Windows 10 system?

88 Vezi 88 comentarii

When should I consider using Windows Installation Media to fix error 0x800f081f?

80 Vezi 80 comentarii

In The Time Machine by H. G. Wells, what did the Time Traveller originally assume about the relationship between the Eloi and the Morlocks? The Eloi were prey and the Morlocks were predators. The Eloi were masters and the Morlocks were their servants. The Eloi were laborers and the Morlocks were their masters. The Eloi were nurturers and the Morlocks were destroyers.

160 Vezi 369 comentarii

Which two statements explain why most American Indians initially supported the French in the French and Indian War?
A.The French expected the American Indians to leave their territories.
B.The French were mostly interested in trading furs, not settling land.
C.The British did not want American Indians on their side.
D.Britain wanted to take land to set up farms for British settlers.
E.The French forces were more powerful than the British.

160 Vezi 472 comentarii

Bonjour et des moi s'il vous plaît urgent
Réécrivez ce texte à la troisième personne du singulier
Va chercher du pain et demande si la boulangerie est ouverte dimanche passe ensuite chez le cordonnier récupérer tes chaussures enfin achete chez le primeur des fruits pour ton goûter et quelques yaourts pour ta sœur

Merci

160 Vezi 348 comentarii

Compune o scrisoare de scuze în limba engleză, pentru un prieten care ți-a împrumutat bani iar tu nu-i poți returna la timp.

124 Vezi 124 comentarii

How can logging be integrated with exception handling for better debugging?

75 Vezi 75 comentarii