Super Het x Pastel Het: 50% will be Super Pastels, 50% will be regular Pastels 75% will be 66% het Hypos, and 25% will be Hypos. So you would have:
12.5% Super Pastel Hypos
12.5% Pastel Hypos
37.5% Pastel 66% Het Hypos
37.5% Super Pastel 66% Het Hypos.
Pastel Het x Pastel Het: 25% would be Hypos, 25% would be Super Pastels, 75% would be 66% het hypos, 50% would be Pastels, 25% would be Normals
6.25% Super Pastel Hypos
18.75% Super Pastel 66% Het Hypos
12.5% Pastel Hypos
37.5% Pastel 66% Het Hypos
6.25% Hypos
18.75% 66% Het Hypos
My numbers could be wrong, though ~_~ Just running this off the top of my head