6, 4, 10: 6 + 4 = 10, 4 + 6 = 10, 10 - 4 = 6, 10 - 6 = 4, 2, 3, 5: 2 + 3 = 5, 3 + 2 = 5, 5 - 2 = 3, 5 - 3 = 2, 8, 8, 16: 8 + 8 = 16, 16 - 8 = 8, 9, 0, 9: 9 + 0 = 9, 0 + 9 = 9, 9 - 0 = 9, 4,5,9: 4+5=9, 9-5=4, 9-4=5, 5+4=9, 10,2,12: 10+2=12, 2+10=12, 12-2=10, 12-10=2,

Fact Families

Edetabel

Visuaalne stiil

Valikud

Vaheta malli

Kas taastada automaatselt salvestatud ?