Policz na palcach. Wpisz wyniki. 9 – 4 = 5 + 4 = 8 – 6 = 3 + 6 = 9 – 7 = 2 + 7 = 9 – 2 = 1 + 8 = 9 – 5 = 9 + 0 = 7 – 7 = 3 + 4 = 9 – 6 = 5 + 3 = 5 – 5 = 8 + 0 = 89