\(\sqrt{\sqrt[]{}\dfrac{ }{ }^{ }_{ }\max\limits_{ }\xrightarrow[]{}\prod\limits^{ }_{ }}\)

Skibidi toilet đã từng nói : skibidi dop dop dop yes yes skibidi dop dop ni ni 

\(\sqrt{\sqrt{ }\notin}\)

x ⋮ 12; x ⋮ 21; x ⋮ 28 nên x ∈ BC(12; 21; 28).

12 = 22.3; 21 = 3.7; 28 = 22.7

⇒ BCNN(12; 21; 28) = 22.3.7 = 84.

⇒ x ∈ BC(12; 21; 28) = B(84) = {0; 84; 168; 252; 336; 420; …}.

Vì 150 < x < 300 nên x = 168 hoặc x = 252

skibidi toilet

•_______• l\(\)