Scrie toate numerele de 4 cifre , folosind cifrele 2,4,5,7:
![Scrie Toate Numerele De 4 Cifre Folosind Cifrele 2457 class=](https://ro-static.z-dn.net/files/def/4e7ee9643272bfdc67d415617e808905.jpg)
Răspuns:
2457,2547,2745,2475,4257,4275,4752,4527,5247,5427,5624,5742,7245,7425,7452,7542,7524