Tylko c i d pls szybko zaraz do szkoły Idę

C) (1/3 + 1/6) - ( 1/2 x 1/2) = ) (2/6 + 1/6) - (1/4) = 3/6 - 1/4 / 6/12 - 3/12 = 3/12 = 1/4 (skracamy)
D) 2³ + 2/3² = (2 x 2 x 2) + (2/3 x 2/3) = 8 + 4/9 = 8 4/9