Vertical Subtraction: Triple digit addition with regrouping

$\begin{aligned} &936 \\ -& \\ &768 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

168

$\begin{aligned} &542 \\ -& \\ &356\\ &\underline{\phantom{776}} & \\ \end{aligned}$

186

$\begin{aligned} &372 \\ -& \\ &185 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

187

$\begin{aligned} &314 \\ -& \\ &126 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

188

$\begin{aligned} &478 \\ -& \\ &289\\ &\underline{\phantom{776}} & \\ \end{aligned}$

189

$\begin{aligned} &686 \\ -& \\ &499\\ &\underline{\phantom{776}} & \\ \end{aligned}$

187

$\begin{aligned} &453 \\ -& \\ &269\\ &\underline{\phantom{776}} & \\ \end{aligned}$

184

$\begin{aligned} &867 \\ -& \\ &578 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

289

$\begin{aligned} &664 \\ -& \\ &275\\ &\underline{\phantom{776}} & \\ \end{aligned}$

389

$\begin{aligned} &843 \\ -& \\ &157\\ &\underline{\phantom{776}} & \\ \end{aligned}$

686

$\begin{aligned} &285 \\ -& \\ &196 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

89

$\begin{aligned} &756 \\ -& \\ &667 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

89