Сократите дробь : 8/14,7/63,30/84,34*12/3*17
8/14=4/7 7/63=1/9 30/84=15/42=5/14 34*12/3*17=2*4/1=8
8/14=4/7; 7/63=1/9; 30/84=15/42; 34×12/3×17=408/51=8;