We know that $5-2=3$5−2=3.
Use this to find:
$25-2=\editable{}$25−2=
$35-2=\editable{}$35−2=
$45-2=\editable{}$45−2=
$75-2=\editable{}$75−2=
Use what you know about subtracting to find:
We know that $17-5=12$17−5=12.
Use this to find:
We know that $16-5=11$16−5=11.
Use this to find: