cho mk hỏi hỗn hộp là sao mk quên r.Bn ns ik r mk giải cho
2007/135=14/13/15
17/12=1/5/12
126/27=4/2/3
311/39=7/38/39
^_^ ^_^ ^_^
2007/135 = 223/15=14x13/15
17/12 = 1 x 5/12
126/27 = 14/3 = 4x2/3
311/39 = 7x38/39
Hc tốt nhoa ^.^
Nguyễn thị Cẩm Vân:
\(\frac{2007}{135}=14\frac{13}{15}\)
\(\frac{17}{12}=1\frac{5}{12}\)
\(\frac{126}{27}=4\frac{2}{3}\)
\(\frac{311}{39}=7\frac{38}{39}\)
Tham khảo nha!