解:需增加36*15/(15-3)-36=9名工人。
36*15=540 15-3=12 540/12=45 45-36=9需要增加9名工人
36*15=540 15-3=12 540/12=45 45-36=9需要增加9名工人
4名jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkklllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
调快线速,,或者加班!!!