Question

gasiti x apartine N astfel incat, fractiile urmatoare sa fie echivalente x/6=3/2; 14/x=7/5; 11/x=110/50; 3/4=x/12; 101/25=x/250;m 5/6=35/x; 13/11=169/x

Answer 1

a) x/6=3/2 =>x×2=6×3 =>2x=18=>x=18/2=>x=9; b) 14/x=7/5 =>x×7=14×5 =>7x=70=>x=70/7=>x=10; c)11/x=110/50 =>x×110=11×50=>110x=550=>x=550/110=>x=5; d)3/4=x/12 =>x×4=3×12=>4x=36=>x=36/4=>x=9; e)101/25=x/250 =>x×25=101×250=>25x=25250=>x=25250/25=>x= 1010; f) 5/6=35/x =>x×5=6×35=>5x=210=>x=210/5=>x=42; g)13/11=169/x =>x×13=169×11=>13x=1859=>x=1859/13=>x=143;