Прощу, друзья нужно. 1. 1/8: 1/4=; 3: 3/7=; 4/5•5=; 3/5: 5/7=; 3/7•2=; 9/10: 3=; 1/4: 3/5=; 3/5•1/9=; 1: 1/3=; 3/5•5/9=; 6/7•2/3; 5/6: 1/2=; 3/7: 14=; 5/12: 1/6=; 5•10/11=; 2/5•15/16=; 3/14: 2/7=; 4/5•5/6=; 7/8: 14=; 2/3•1/4=; 2/15: 1/7=; 8•3/4=; 1/6: 2/3=; 4/7: 8=;
