`1+1/2+3/4+5/6+7/8+9/22=?`

Đáp án:

Giải thích các bước giải:

1 + 1/2 + 3/4 +5/6+ 7/8+ 9/22= 264/264 + 132/264+ 198/264 + 220/264+ 231/264 + 108/264

=1153/264

#andy

$\begin{array}{l} 1 + \dfrac{1}{2} + \dfrac{3}{4} + \dfrac{5}{6} + \dfrac{7}{8} + \dfrac{9}{{22}} = ?\\ MC:264\\  = \dfrac{{1.264}}{{1.264}} + \dfrac{{1.132}}{{2.132}} + \dfrac{{3.66}}{{4.66}} + \dfrac{{5.44}}{{6.44}} + \dfrac{{7.33}}{{8.33}} + \dfrac{{9.12}}{{22.12}}\\  = \dfrac{{264}}{{264}} + \dfrac{{132}}{{264}} + \dfrac{{198}}{{264}} + \dfrac{{220}}{{264}} + \dfrac{{231}}{{264}} + \dfrac{{108}}{{264}}\\  = \dfrac{{264 + 132 + 198 + 220 + 231 + 108}}{{264}}\\  = \dfrac{{1153}}{{264}} \end{array}$