В) (1/3×3/4)×(2/3×4/5)×(5/6×7/8)×(6/7×8/9) Г) (2/3×4/5)×(3/4×5/6)×(6/7×8/9)×(7/8×9/10)...

Question

В) (1/3×3/4)×(2/3×4/5)×(5/6×7/8)×(6/7×8/9)
Г) (2/3×4/5)×(3/4×5/6)×(6/7×8/9)×(7/8×9/10)
Помогите пожалуйста (())

Answer 1

1/3*3/4*2/3*4/5*5/6*7/8*6/7*8/9=2/27

2/3*4/5*3/4*5/6*6/7*8/9*7/8*9/10=2/10=1/5