$\frac{17}{2}$ x $\frac{3}{5}$ + $\frac{3}{5}$ x $\frac{1}{2}$ + $\frac{3}{5}$ Tính bằng cách thuận tiện nhất 12/11/2021 Bởi Reagan $\frac{17}{2}$ x $\frac{3}{5}$ + $\frac{3}{5}$ x $\frac{1}{2}$ + $\frac{3}{5}$ Tính bằng cách thuận tiện nhất
$\dfrac{17}{2}$ $\times$ $\dfrac{3}{5}$ $+$ $\dfrac{3}{5}$ $\times$ $\dfrac{1}{2}$ $+$ $\dfrac{3}{5}$ $=\dfrac{3}{5}$ $\times$ $(\dfrac{17}{2}$ $+$ $\dfrac{1}{2}$ $+$ $1)$ $=\dfrac{3}{5}$ $\times$ $(\dfrac{18}{2}$ $+$ $1)$ $=\dfrac{3}{5}$ $\times$ $(9$ $+$ $1)$ $=\dfrac{3}{5}$ $\times$ $10$ $=6$ $\text{#Hội_trồng_rau}$ $\text{#No_copy}$ Bình luận
$\dfrac{17}{2}$ $\times$ $\dfrac{3}{5}$ $+$ $\dfrac{3}{5}$ $\times$ $\dfrac{1}{2}$ $+$ $\dfrac{3}{5}$
$=\dfrac{3}{5}$ $\times$ $(\dfrac{17}{2}$ $+$ $\dfrac{1}{2}$ $+$ $1)$
$=\dfrac{3}{5}$ $\times$ $(\dfrac{18}{2}$ $+$ $1)$
$=\dfrac{3}{5}$ $\times$ $(9$ $+$ $1)$
$=\dfrac{3}{5}$ $\times$ $10$
$=6$
$\text{#Hội_trồng_rau}$
$\text{#No_copy}$
= 3/5. (17/2 + 1/2 + 1)
= 3/5. 10
= 6
.
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