88. A chocolate bar consists of 40 pieces. What is the minimum number of breaks required to get all 40 pieces, if breaking several pieces at once is not allowed?
88. After the first break, we get two pieces, after the second - three pieces, after the third - four pieces, and so on. Therefore, after 39 breaks, we will have all 40 segments of the chocolate bar separately. The order of the breaks is completely irrelevant.