Question

(3.x) chia het cho 2 biet x< hoac bang 6

giai nhanh giup mk nhe

ghiloi giai day du nhe

Answer 1

\(\left(3x\right)⋮2\)

\(\Leftrightarrow3x\)là \(BC\left(2\right)\)

mà \(BC\left(2\right)=\left\{0;2;4;6;8;...\right\}\)

biết \(x\le6\)nên \(3x\le6\)

\(\Rightarrow x\le2\)

\(\Rightarrow x\in\left\{0;1;2\right\}\)

vậy \(x\in\left\{0;1;2\right\}\)

Answer 2

minh xin loi sai de

Answer 3

(3.x-1) chia het cho2 biet x< hoac bang 6