2 câu trả lời
$\dfrac{3}{4}$ × $\dfrac{4}{5}$ × $\dfrac{5}{6}$
= $\dfrac{3 × 4 × 5}{4 × 5 × 6}$
= $\dfrac{3}{6}$
= $\dfrac{1}{2}$
`3/4`x`4/5`x`5/6`
=$\dfrac{3 x 4 x 5}{4 x 5 x 6}$
=$\dfrac{60}{120}$
=`1/2`
`x` là nhân nhé
$\dfrac{3}{4}$ × $\dfrac{4}{5}$ × $\dfrac{5}{6}$
= $\dfrac{3 × 4 × 5}{4 × 5 × 6}$
= $\dfrac{3}{6}$
= $\dfrac{1}{2}$
`3/4`x`4/5`x`5/6`
=$\dfrac{3 x 4 x 5}{4 x 5 x 6}$
=$\dfrac{60}{120}$
=`1/2`
`x` là nhân nhé