Question

Aflati nr de forma 4a2bc5d stiind ca citit de la dreapta la stanga se obtine acelasi nr

Answer 1

4a2bc5d
d=4
a=5
c=2
b paote fi:0,1,2,3,4,5,6,7,8,9.
numerele sunt: 4520254,4521254,452254,453254,454254,455254,456254,457254, 458254,259254.
In concluzie 10 numere respecta cerinta.
Sper ca te-am ajutat!

Answer 2

[tex]a = 5 \\ c=2 \\ d=4 \\ b~~~este~la~mijloc~si~poate~lua~orice~valoare \\ =\ \textgreater \ ~~b \in \{0;~1;~2;~3;~4;~5;~6;~7;~8;~9\}\\ =\ \textgreater \ ~~ pentru~~ \overline{4a2bc5d} ~~avem~10~solutii: \\ 4520254;~4521254;~4522254;~4523254;~4524254; \\ 4525254;~4526254;~4527254;~4528254;~4529254.[/tex]