1.23 + 0.29 = 1.52

9.56 + 3.5 = 13.06

5.98 + 4.59 = 10.57

9. 12 ? 4.89 = 4.23

5.37 ? 4.5 = 0.87

6.98 ? 4.59 = 2.39

Vertical, please see the picture:

1.23 + 0.29 = 1.52

9.56 + 3.5 = 13.06

5.98 + 4.59 = 10.57

9. 12 ? 4.89 = 4.23

5.37 ? 4.5 = 0.87

6.98 ? 4.59 = 2.39

Vertical, please see the picture: