Answer :
In this case it is best to count:
[tex]\begin{gathered} \text{III}+\text{IIII}=\text{IIIIIII} \\ 3+4=7 \end{gathered}[/tex]and this is because there is no way to use double to solve
In this case it is best to count:
[tex]\begin{gathered} \text{III}+\text{IIII}=\text{IIIIIII} \\ 3+4=7 \end{gathered}[/tex]and this is because there is no way to use double to solve