Question

Tolong bantu no 1,2 dan 3 plz

Answer 1

1.  (1/4 : 2/5)- 1/6
     5/8 - 1/6
     30/48 - 8/48
   =  22/48  =>  tanda miring (/) menandakan per.
2. 4/7 x ( 1/8 + 1/2 )
     4/7 x 5/8
   = 20/56 = 5/14
3.  ( 3 : 2/7 ) + 1/4
       7/6 + 1/4
     = 14/12 + 3/12
     = 17/12  = 1 5/12