)p8Q-A*?:?:a6M
上图中∠A:∠B=6:5,算一算,∠C=9r9_.\6K,∠A=6a-y/r5s(h)A4D9B+z,∠B=)u+G4a*J7e-m)_7V-S/X/L0e。)p8Q-A*?:?:a6M