Question

[Dương]

bội chung của (10,20)

Answer 1

[‿༂ℳïɛ‿༂➴•김태형⁀ᶦᵈᵒᶫ]

10=2.5             20=2².5

=>BCNN(10,20)=2².5=20

=>BC(10,20)=BCNN(10,20)={0,20,40,60,80,....}

Answer 2

[✰๖ۣۜŠɦαɗøω✰]

\(\hept{\begin{cases}10=2.5\\20=2^2.5\end{cases}}\Rightarrow BC\left(10,20\right)=2^2.5=20\)

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