Tính <span class="MathJax_Preview" style="color: inherit;"><span class="MJXp-math" id="MJXp-Span-1"><span class="MJXp-mstyle" id="MJXp-Span-2"><span class="MJXp-mstyle" id="MJXp-Span-3"><span class="MJXp-mfrac" id="MJXp-Span-4" style="vertical-align: 0.25em;"><span class="MJXp-box"><span class="MJXp-mn" id="MJXp-Span-5">10</span></span><span class="MJXp-box" style="margin-top: -0.9em;"><span class="MJXp-denom"><span><span class="MJXp-rule" style="height: 1em; border-top: none; border-bottom: 1px solid; margin: 0.1em 0px;"></span></span><span><span class="MJXp-box"><span class="MJXp-mn" id="MJXp-Span-6">22</span></span></span></span></span></span></span></span></span></span><script type="math/tex" id="MathJax-Element-1">\Large \dfrac{10}{22}</script> <span class="MathJax_Preview" style="color: inherit;"><span class="MJXp-math" id="MJXp-Span-7"><span class="MJXp-mstyle" id="MJXp-Span-8"><span class="MJXp-mstyle" id="MJXp-Span-9"><span class="MJXp-mfrac" id="MJXp-Span-10" style="vertical-align: 0.25em;"><span class="MJXp-box"><span class="MJXp-mn" id="MJXp-Span-11">13</span></span><span class="MJXp-box" style="margin-top: -0.9em;"><span class="MJXp-denom"><span><span class="MJXp-rule" style="height: 1em; border-top: none; border-bottom: 1px solid; margin: 0.1em 0px;"></span></span><span><span class="MJXp-box"><span class="MJXp-mn" id="MJXp-Span-12">11</span></span></span></span></span></span></span></span></span></span><script type="math/tex" id="MathJax-Element-2">\Large \dfrac{13}{11}</script> \(\Large \dfr

Tính $\Large \dfrac{10}{22}$ $\Large \dfrac{13}{11}$ \(\Large \dfr

4.1/5

Tác giả: Thầy Tùng

Đăng ngày: 18 Aug 2022

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Lời giải chi tiết

Câu hỏi:

Tính

A.
$\Large \dfrac{10}{22}$
B.
$\Large \dfrac{13}{11}$
C.
$\Large \dfrac{11}{13}$
D.
$\Large \dfrac{22}{11}$

Đáp án án đúng là: B

Lời giải chi tiết:

$\Large \dfrac{7}{11} + \dfrac{6}{11} = \dfrac{7 + 6}{11} = \dfrac{13}{11}$

Vậy ta chọn phân số $\Large \dfrac{13}{11}$

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