Subtract 4-digit numbers (Column)

Find the difference of the numbers below. Use regrouping where necessary.

1) Solve

5526

-4176

2) Solve

8459

-2064

3) Solve

2448

-2171

4) Solve

8258

-8247

5) Solve

7078

-3745

6) Solve

6240

-3942

7) Solve

7077

-5926

8) Solve

7330

-2083

9) Solve

7353

-7133

10) Solve

5371

-4694

11) Solve

9828

-8576

12) Solve

9560

-7459