Помогите, найти множества. а={0,1,2,3,4,5,6,7}; b={3,4,5,6,7,8,9} c={-3, -2, -1, 0, 1, 2, 3, 4} d={2, 3, 4, 5, 6} (c/d) U a ∩ b

c/d ={-3,-2,-1,0,1}

a ∩ b = {3,4,5,6,7}

(c/d) U a ∩ b = {-3,-2,-1,0,1,3,4,5,6,7}