Question

№669 A) 8/10 4/6 6/9 10/25 14/49 15/20 12/15 14/18

Answer 1

№669 A) 4/5; 2/3; 2/3; 2/5; 2/7; 3/4; 4/5; 7/9.

Answer 2

памаги пажалуйста 

Answer 3

прашу