5/7 + 3/2 6/12 x 3/4 8/9 : 3/2 5/6 – 2/4

2 bình luận về “5/7 + 3/2 6/12 x 3/4 8/9 : 3/2 5/6 – 2/4”

1. 5/7+3/2=(5xx2)/(7xx2) + (3xx7)/(2xx7)=10/14+21/14=(10+21)/14=31/14

   6/12xx3/4=3/8

   8/9:3/2=8/9xx2/3=16/27

   5/6-2/4=(5xx2)/(6xx2)-(2xx3)/(4xx3)=10/12-6/12=(10-6)/12=4/12=1/3

    

   Trả lời
2. 5/7+3/2 = 31/14

   6/12 x 3/4 =3/8

   8/9:3/2=16/27

   5/6-2/4=1/3

   *xin hay nhất ạ

   #thomnguyenthi

   chúc bạn học tốt !

   Trả lời