Question

3. Descompune numerele după model:
Exemplu: 6 825 = 6 * 1 000 + 8 x 100 + 2 x 10 + 5
2 397 =
4 509 =
7 280 =
5 031 =​

Answer 1

2 397=2•1000+3•100+9•10+7
4 509=4•1000+5•100+9
7 280=7•1000+2•100+8•10
5 031=5•1000+3•10+1