18, [182+], [315*]

34, [316*]

42, [181+*]

ii. 3, [316*]

iii. 3, 5, 6, 7, 8 [347]

13, [132-5**], [311*], [315*], [510*]

iv. 6, [145]

15, [407-8**+]

v. 2, [5-6**]

3, 4, [282-3], [311*], [316*]