【8】There are six wooden strips, each 50 cm long. Now they are to be connected end-to-end, with each joint between two strips being 10 cm long. After nailing them together, the total length of the wooden strips is ( ) cm.
【Key Points】Tree planting problem, Overlapping problem.
【Analysis】6 wooden strips, with 5 overlapping parts, so the total length of the wooden strips: $6 \times 50 - (6-1) \times 10 = 300 - 50 = 250$ (cm).

【Answer】250