![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có: \(\frac{{ - 18}}{{76}} = \frac{{ - 18:2}}{{76:2}} = \frac{{ - 9}}{{38}}\)
\(\frac{{125}}{{ - 375}} = \frac{{125:( - 125)}}{{ - 375:( - 125)}} = \frac{{ - 1}}{3}\)
\(-\dfrac{18}{76}=\dfrac{-9}{38};\dfrac{125}{-375}=-\dfrac{1}{3}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a ) − 18 − 27 = ( − 18 ) : ( − 9 ) ( − 27 ) : ( − 9 ) = 2 3
b ) 45 − 24 = 45 : ( − 3 ) ( − 24 ) : ( − 3 ) = − 15 8
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\dfrac{48}{60}=\dfrac{12.4}{12.5}=\dfrac{4}{5}\)
\(\dfrac{-18}{24}=\dfrac{18}{-24}=\dfrac{6.3}{6.\left(-4\right)}=\dfrac{3}{-4}\)
\(\dfrac{25}{-35}=\dfrac{5.5}{5.\left(-7\right)}=\dfrac{5}{-7}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{18+18.7}{18}=\frac{18.\left(7+1\right)}{18}=\frac{1.8}{1}=8\)
\(\frac{16559}{900}\) là kết quả đúng !