a. P = {x│0 ≤ x≤ 12, x ∈ bilangan cacah kelipatan 3}

b. Q = {x│-3 ≤ x ≤ 3, x ∈ bilangan bulat}

c. R = {x│x ∈ 4 huruf alfabet antara l dan q}

Soal nomor 3

a. P = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19}

b. Q = {4, 8, 12, 16, 20, 24, 28, 32, 36}

c. R = {53, 59, 61, 67, 71, 73, 79}

d. S = {dst, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

Soal nomor 4

a. S = {Bilangan prima}, S = {Bilangan cacah}, atau S = {Bilangan asli}

b. S = {Bilangan genap positif}, S = {Bilangan bulat genap }, atau S = {Bilangan asli genap}

c. S = {Hewan ternak}, S = { Hewan pemakan rumput atau herbivora}, atau S = { Hewan berkaki empat}

d. S = { Hewan buas}, S = { Hewan pemakan daging}, atau S = { Hewan pembunuh}

Soal nomor 5