Resta en vertical: 4 dígitos con 2 reagrupaciones adicionales

$\begin{aligned} &1789 \\ -& \\ &~~793 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

996

$\begin{aligned} &2382 \\ -& \\ &~~453 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

1929

$\begin{aligned} &3321 \\ -& \\ &~~145 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

3176

$\begin{aligned} &3614\\ -& \\ &2035 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

1579

$\begin{aligned} &4735 \\ -& \\ &~~816 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

3919

$\begin{aligned} &5763 \\ -& \\ &~~178 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

5585

$\begin{aligned} &6315 \\ -& \\ &1506 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

4809

$\begin{aligned} &7189 \\ -& \\ &2392 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

4797

$\begin{aligned} &8731 \\ -& \\ &3252 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

5479

$\begin{aligned} &9417 \\ -& \\ &3708 \\ &\underline{\phantom{776}} & \\ \end{aligned}$

5709