Vertical Subtraction: 3-digit subtraction with the regrouping of tens

$\begin{aligned} &76 \\ -& \\ &~~8 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

68

$\begin{aligned} &118 \\ -& \\ &~~~~9 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

109

$\begin{aligned} &227 \\ -& \\ &~~~~8 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

219

$\begin{aligned} &354 \\ -& \\ &~~~~6 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

348

$\begin{aligned} &473 \\ -& \\ &~~~~5 \\ &\underline{\phantom{776}} & \\ \end{aligned}$$$

468

$\begin{aligned} &576 \\ -& \\ &~~~~8 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

568

$\begin{aligned} &625\\ -& \\ &~~~~7 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

618

$\begin{aligned} &767 \\ -& \\ &~~~~9 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

758

$\begin{aligned} &782 \\ -& \\ &~~~~6 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

776

$\begin{aligned} &833 \\ -& \\ &~~~~7 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

826

$\begin{aligned} &911 \\ -& \\ &~~~~8 \\ &\underline{\phantom{776}} & \\ \end{aligned}$$$$$

903