Question

Scrie toate numerele naturale de forma a2b care au suma cifrelor 12.
Ordonează-le descrescător.
Scrie numerele mai apropiate:
a) de 610 decât de 620;
b) de 770 decât de 760.​

Answer 1

Răspuns:

192,183,174,165,156,147,138,129,291,282,272,264,253,246,237,228,219,381,372,363,354,345,336,327,318,309,471,462,453,444,435,426,417,408,561,552,543,534,525,516,507,651,642,633,624,615,606,741,732,723,714,705,831,822,813,804,921,912,903.

Explicație pas cu pas:

921,912,903,831,822,813,804,741,732,723,713,705,651,642,633,624,615,606,561,552,543,534,525,516,507,471,462,453,444,435,426,417,408,381,372,363,354,345,336,327,318,309,291,282,272,264,253,246,237,228,219,192,183,174,165,156,147,138,129.

numerele mai apropiate de 610 decat de 620 sunt:611,612,613,614.

numerele mai apropiate de 770 decat de 760 sunt:765,766,767,768,769