16 3 - 64 2 : 8 3 = 16 3 : 8 3 - 64 2 : 8 3 = 16 : 8 3 - 8 4 : 8 3 v ì 64 = 8 2 n ê n 64 2 = 8 2 2 = 8 4 = 2 3 - 8 = 8 - 8 = 0
16 3 - 64 2 : 8 3 = 16 3 : 8 3 - 64 2 : 8 3 = 16 : 8 3 - 8 4 : 8 3 v ì 64 = 8 2 n ê n 64 2 = 8 2 2 = 8 4 = 2 3 - 8 = 8 - 8 = 0