Subtract 3-digit numbers (Column)

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

1) Solve

911

-783

2) Solve

659

-632

3) Solve

540

-479

4) Solve

975

-895

5) Solve

980

-110

6) Solve

703

-594

7) Solve

702

-396

8) Solve

984

-717

9) Solve

959

-878

10) Solve

901

-571

11) Solve

857

-559

12) Solve

711

-273