ul li1 ABCABCli li2 A tdQK dA tQli li3 80wm1 k1 08wm1 k1 004wm1 k1 406wm1 k135wm1 k116wm1 k1li li4 500J200c 400c100mA5m2os 5s 10s 15s 20sK = 25 wm1k1li li5li ul