Tính : ( 0,37 – 0,3 + 3/11 + 3/12 ) / ( 0,625-0,5 + 5/11 + 5/12 ) 24/07/2021 Bởi Josephine Tính : ( 0,37 – 0,3 + 3/11 + 3/12 ) / ( 0,625-0,5 + 5/11 + 5/12 )
Giải thích các bước giải: $\begin{array}{l} \frac{{0,37 – 0,3 + \frac{3}{{11}} + \frac{3}{{12}}}}{{0,625 – 0,5 + \frac{5}{{11}} + \frac{5}{{12}}}}\\ = \frac{{\frac{3}{8} – \frac{3}{{10}} + \frac{3}{{11}} + \frac{3}{{12}}}}{{\frac{5}{8} – \frac{5}{{10}} + \frac{5}{{11}} + \frac{5}{{12}}}}\\ = \frac{{3(\frac{1}{8} – \frac{1}{{10}} + \frac{1}{{11}} + \frac{1}{{12}})}}{{5(\frac{1}{8} – \frac{1}{{10}} + \frac{1}{{11}} + \frac{1}{{12}})}}\\ = \frac{3}{5} \end{array}$ Bình luận
( 0,37 – 0,3 + 3/11 + 3/12 ) / ( 0,625-0,5 + 5/11 + 5/12 ) = (0,07 + 0,523) / (0,125 + 1) = 0,593 / 1,125 = 0,53 Bình luận
Giải thích các bước giải:
$\begin{array}{l} \frac{{0,37 – 0,3 + \frac{3}{{11}} + \frac{3}{{12}}}}{{0,625 – 0,5 + \frac{5}{{11}} + \frac{5}{{12}}}}\\ = \frac{{\frac{3}{8} – \frac{3}{{10}} + \frac{3}{{11}} + \frac{3}{{12}}}}{{\frac{5}{8} – \frac{5}{{10}} + \frac{5}{{11}} + \frac{5}{{12}}}}\\ = \frac{{3(\frac{1}{8} – \frac{1}{{10}} + \frac{1}{{11}} + \frac{1}{{12}})}}{{5(\frac{1}{8} – \frac{1}{{10}} + \frac{1}{{11}} + \frac{1}{{12}})}}\\ = \frac{3}{5} \end{array}$
( 0,37 – 0,3 + 3/11 + 3/12 ) / ( 0,625-0,5 + 5/11 + 5/12 )
= (0,07 + 0,523) / (0,125 + 1)
= 0,593 / 1,125
= 0,53