3/7 + 4/9= 17/18-11/12= 7/9+4/15= 1/8+4/9= 8/9-7/8= 7/16+1/6= 9/14+3/7-1/28= 9/11-2/5= 13/15-2/3= 5/6+2/9= 1/6+1/4-1/8= 13/16+9/32= 20/21+4/7= 10/21+9/14= 1/3-1/6-1/4= 3/28+5/14

Andruha321    3   13.06.2019 00:20    0