5 × 1 + 2 × 0.1 =

4 × 10 + 1 × 1 + 9 × 0.001 =

2 × 1 + 5 × 0.1 + 7 × 0.001 =

5 × 0.01 + 6 × 0.001 =

8 × 0.1 + 4 × 0.001 =

7 × 10 + 6 × 0.01 + 8 × 0.001 =

6 × 1 + 7 × 0.01 =

5 × 0.1 + 9 × 0.01 =

9 × 10 + 8 × 1 + 3 × 0.1 =

1 × 10 + 8 × 1 + 9 × 0.001 =