丁丁收集了148套标本，小丽比丁丁少收集72套，小丽收集标本多少套？.?3e1x(^(d/f4d-Q
算式：提示8]'V4|-N'T5D)L4v.h-Y*q3W6u.?3e1x(^(d/f4d-Q
答：小丽收集标本6L2m(V6y套。.?3e1x(^(d/f4d-Q