16) 1,45 - $$ \frac{4}{25} $$ = $$ \frac{145}{100} $$ - $$ \frac{4}{25} $$ = $$ \frac{29}{20} $$ - $$ \frac{4}{25} $$ = $$ \frac{29 \cdot 5 - 4 \cdot 4}{100} $$ = $$ \frac{145 - 16}{100} $$ = $$ \frac{129}{100} $$ = 1,29
Ответ: 1,29