9/11×4/5×55/72= 1/2×3/10×5/6= 7/8×8/28×4/5=

Question

9/11×4/5×55/72=
1/2×3/10×5/6=
7/8×8/28×4/5=

Answer 1

9/11*4/5*55/72= сокращаем 11*5 в знаменателе и 55 в числителе 3-ей дроби =
9\72=1/8

1/2*3/10*5/6=1/8

7/8*8/28*4/5=1/5