Tolong dibantu jawab ya:)​

Jawaban:

1) B = {B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, Y, Z}

2) A= {1,2,3,4,5,6,7,8,9}

3) K = {3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99}

4) C = {11,12,13,14,15, ….}

semoga membantu…..