Bạn tham khảo!
$8\dfrac{1}{3}$ $+$ $0,25$ $+$ $\dfrac{1}{2}$ $-$ $($ $3,5$ $+$ $2\dfrac{1}{3}$ $-$ $\dfrac{3}{4}$ $)$
$=$ $\dfrac{25}{3}$ $+$ $0,25$ $+$ $\dfrac{1}{2}$ $-$ $($ $3,5$ $+$ $\dfrac{7}{3}$ $-$ $\dfrac{3}{4}$ $)$
$=$ $\dfrac{25}{3}$ $+$ $0,25$ $+$ $\dfrac{1}{2}$ $-$ $\dfrac{61}{12}$
$=$ $\dfrac{103}{12}$ $+$ $\dfrac{1}{2}$ $-$ $\dfrac{61}{12}$
$=$ $\dfrac{109}{12}$ $-$ $\dfrac{61}{12}$
$=$ $4$
$FbBinhne2k88$
