Odpowiedzi

2009-10-27T18:33:39+01:00
8y-9=3+5
8y=8+9
8y=17
y=17/8
y= 2 i 1/8
2009-10-27T18:34:20+01:00
8y-9=5+3 8y=5+3+9 8y=17 y=17/8 y=2 całe i 1dedna ósma
2009-10-27T23:13:23+01:00
8y - 9 = 5 + 3 |+9
8y = 17 | ;8
y = 17/8
y = 2,125