$1/$ $(\dfrac{2}{3}+ \dfrac{4}{5})$ x $2 $ $= (\dfrac{10}{15} + \dfrac{12}{15})$ x $2$ $= \dfrac{22}{15}$ x $2$ $= \dfrac{44}{15}$ $2/$ $\dfrac{2}{3}$ x $3$ $= \dfrac{2\times3}{3}$ $= \dfrac{6}{3}$ $=2$ @Team IQ vô cực Trả lời
`(\frac{2}{3}+\frac{4}{5})\times2= \frac{22}{15}\times2=\frac{44}{15}` `\frac{2}{3}\times3==2` `—–\text{@Team IQ vô cực}—–` Trả lời
$1/$
$(\dfrac{2}{3}+ \dfrac{4}{5})$ x $2 $
$= (\dfrac{10}{15} + \dfrac{12}{15})$ x $2$
$= \dfrac{22}{15}$ x $2$
$= \dfrac{44}{15}$
$2/$
$\dfrac{2}{3}$ x $3$
$= \dfrac{2\times3}{3}$
$= \dfrac{6}{3}$
$=2$
@Team IQ vô cực
`(\frac{2}{3}+\frac{4}{5})\times2= \frac{22}{15}\times2=\frac{44}{15}`
`\frac{2}{3}\times3==2`
`—–\text{@Team IQ vô cực}—–`