Odpowiedź :
Odpowiedź:
1 i 4/9 * x = 1
x = 1 : 13/9
x = 1 * 9/13
x = 9/13
spr 1 i 4/9 * 9/13 = 13/9 * 9/13 = 1
1 i 7/8 * x = 1
x = 1 : 15/8
x = 1 * 8/15
x = 8/15
spr 1 i 7/8 * 8/15 = 15/8 * 8/15 = 1
Odpowiedź:
1 i 4/9 * x = 1
x = 1 : 13/9
x = 1 * 9/13
x = 9/13
spr 1 i 4/9 * 9/13 = 13/9 * 9/13 = 1
1 i 7/8 * x = 1
x = 1 : 15/8
x = 1 * 8/15
x = 8/15
spr 1 i 7/8 * 8/15 = 15/8 * 8/15 = 1