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Descompune nr dupa model: 1604= 1×1000+6×100+4 nr: 7015; 8200; 9321; 5003; 5014; 7309; 3033

Răspuns :

7015=7x100+1x10+5
8200=8x100+2x100
9321=9x1000+3x100+2x10+1
5003=5x1000+3
5014=5x100+1x10+4
7309=7x100+3x100+9
3033=3x100+3x10+3
7x1000+1x10+5
8x1000+2x100
9x1000+3x100+2x10+1
5x1000+3
5x1000+1x10+4
7x1000+3x100+9
3x1000+3x10+3