Another Run at Level 30 problems 1

Of the 98 problems, 94% score. These are the ones not perfect.

2.3.1 Volume 1  9,10,16,21,22,27,34,45,51,52,53,54,58,60,65,74,
75,79,80,81,82,83,84,85,88,89,90,92,93,94,95,96,97

Haphazardly done.......

2.3.2 Volume 2  3,5,6,7,9,11,12,13,18,22,26,31,32,34,35,42,45,46,47,48,53,
55,56,57,58,61,53,64,65,66,72,73,74,75,79,80,81,82.83,86,87,89,91,92,93,94,95,96

2.3.2 Volume 3. 1,4,6,9,10,14,15,16,18,20,21