Question

Điền kí hiệu \(\in\) hoặc \(\notin\) vào ô vuông cho đúng :

Answer 1

a) 4 ƯC (12, 18); b) 6 ∈ ƯC (12, 18);

c) 2 ∈ ƯC (4, 6, 8); d) 4 ƯC (4, 6, 8);

e) 80 BC (20, 30); g) 60 ∈ BC (20, 30);

h) 12 BC (4, 6, 8); i) 24 ∈ BC (4, 6, 8)

Answer 2

Bài giải:

a) 4 ƯC (12, 18); b) 6 ∈ ƯC (12, 18);

c) 2 ∈ ƯC (4, 6, 8); d) 4 ƯC (4, 6, 8);

e) 80 BC (20, 30); g) 60 ∈ BC (20, 30);

h) 12 BC (4, 6, 8); i) 24 ∈ BC (4, 6, 8)

Answer 3

a) 4 ƯC (12, 18);

b) 6 ∈ ƯC (12, 18);

c) 2 ∈ ƯC (4, 6, 8);

d) 4 ƯC (4, 6, 8);

e) 80 BC (20, 30);

g) 60 ∈ BC (20, 30);

h) 12 BC (4, 6, 8);

i) 24 ∈ BC (4, 6, 8)