13/37 . 5/12 – 7/37 . 13/6|+ -1/37 . 13/4 ( giải rõ dùm e vs ạ, e sắp nộp r) Question 13/37 . 5/12 – 7/37 . 13/6|+ -1/37 . 13/4 ( giải rõ dùm e vs ạ, e sắp nộp r) in progress 0 Toán Maya 1 năm 2021-10-16T04:58:34+00:00 2021-10-16T04:58:34+00:00 1 Answers 4 views 0
Answers ( )
$\dfrac{13}{37} . \dfrac{5}{12} – \dfrac{7}{37} . \dfrac{13}{6} + \dfrac{-1}{37} . \dfrac{13}{4}$
$= \dfrac{13}{37} . \dfrac{5}{12} – \dfrac{13}{37} . \dfrac{7}{6} + \dfrac{13}{37} . \dfrac{-1}{4}$
$= \dfrac{13}{37} ( \dfrac{5}{12} – \dfrac{7}{6} + \dfrac{-1}{4} )$
$= \dfrac{13}{37} . \dfrac{-5}{6}$
$= \dfrac{-65}{222}$