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Scrie ca produs de doi factori numerele: 7.640; 3.445; 1.379; 5.439; 64.324

Răspuns :

7640= 764*10 ; 3445 = 5* 689 ; 1379= 7*197 ; 5439= 3* 1813 ; 64324=4* 16081
7640..=>...764*10=7640
3445..=>...689* 5 =3445
1379..=>...197*7  =1379
5439..=>...1813*3=5439
64324=>...32162*2=64324