Question

а) -1/2 * 2/5 =
б) 3/4 * ( -2/9) =
в) -4/5 * ( -10/3) =
г) -1/7 * (-3/4) =
д) 2/5 * (-3/4) =
е) -3/8 * 4/5 =
Помогите пожалуйста !!!!!
ПОМОГИТЕ 

Answer 1

а) - 1/2 * 2/5 = - 2/10 = - 1/5
б) 3/4 * (- 2/9) = - 6/36 = - 1/6
в) - 4/5 * (- 10/3) = 40/15 = 2 10/15 = 2 2/3
г) - 1/7 * (- 3/4) = 3/28   
д) 2/5 * (- 3/4) = - 6/20 = - 3/10
е) - 3/8 * 4/5 = - 12/40 = - 3/10