Question

Abcd - cd = 4800 cdab - ab = 8400 abcd = ?.

Answer 1

Răspuns:

4884

Explicație pas cu pas:

$\overline {abcd} - \overline {cd} = 4800$

$100 \overline {ab} = 4800 \implies \overline {ab} = 48$

$\overline {cdab} - \overline {ab} = 8400$

$100 \overline {cd} = 8400 \implies \overline {cd} = 84$

$\implies \overline {abcd} = 4884$