[填空题]
Three mountain climbers who are rex0j :mvg2 x/uoped h7o d89t)l. ltc4ys iutogether are ascending an ice field inclined at 21.idyls) cl74 t8 .t9ouh0$^{\circ}$ to the horizontal. The last climber slips, pulling the second climber off his feet. The first climber is able to hold them both. If each climber has a mass of 75 kg , calculate the tension in each of the two sections of rope between the three climbers. Ignore friction between the ice and the fallen climbers.
