Odpowiedź :
125x5do7:5do9=
= 125x5do - 2 = 125x 1/5²=125x 1/25= 5
64x2do9:2do10=64x2do - 1=64x1/2=32
= 125x5do - 2 = 125x 1/5²=125x 1/25= 5
64x2do9:2do10=64x2do - 1=64x1/2=32