$96=\underset{\text{XC}}{\underbrace{90}}+\underset{\text{VI}}{\underbrace{6}}=\text{XCVI}$   

 

$812=\underset{\text{DCCC}}{\underbrace{800}}+\underset{\text{XII}}{\underbrace{12}}=\text{DCCCXII}$    

 

$78=\underset{\text{LXX}}{\underbrace{70}}+\underset{\text{VIII}}{\underbrace{8}}=\text{LXXVIII}$   

 

$466=\underset{\text{CD}}{\underbrace{400}}+\underset{\text{LX}}{\underbrace{60}}+\underset{\text{VI}}{\underbrace{6}}=\text{CDLXVI}$  

 

$994=\underset{\text{CM}}{\underbrace{900}}+\underset{\text{XC}}{\underbrace{90}}+\underset{\text{IV}}{\underbrace{4}}=\text{CMXCIV}$  

 

$1025=\underset{\text{M}}{\underbrace{1000}}+\underset{\text{XX}}{\underbrace{20}}+\underset{\text{V}}{\underbrace{5}}=\text{MXXV}$  

 

$1459=\underset{\text{M}}{\underbrace{1000}}+\underset{\text{CD}}{\underbrace{400}}+\underset{\text{L}}{\underbrace{50}}+\underset{\text{IX}}{\underbrace{9}}=\text{MCDLIX}$  

 

$2568=\underset{\text{MM}}{\underbrace{2000}}+\underset{\text{D}}{\underbrace{500}}+\underset{\text{LX}}{\underbrace{60}}+\underset{\text{VIII}}{\underbrace{8}}=\text{MMDLXVIII}$  

 

$1507=\underset{\text{M}}{\underbrace{1000}}+\underset{\text{D}}{\underbrace{500}}+\underset{\text{VII}}{\underbrace{7}}=\text{MDVII}$   

 

$2999=\underset{\text{MM}}{\underbrace{2000}}+\underset{\text{CM}}{\underbrace{900}}+\underset{\text{XC}}{\underbrace{90}}+\underset{\text{IX}}{\underbrace{9}}=\text{MMCMXCIX}$