Jestliลพe jedna vyuฤovacรญ hodina trvรก 45 minut, jakรฝ zlomek je to z jednรฉ hodiny? ลekni alespoล 3 moลพnosti.
3/4, 6/8, 9/12, 12/16, 15/20, 18/24, 21/28, 24/32, 30/40, 60/80, 75/100, 150/200, 300/400, 750/1000, 1500/2000, 3000/4000, 6000/8000, 12000/16000, 24000/32000,
