Question

1)40/50:20/5*3/4 2)17/20*10/34:5/2 3)15/20:150/200:2/3 помогите пж

Answer 1

Ответ:

1) 3/20;

2) 1/10;

3) 1 1/2.

Пошаговое объяснение:

1) 40/50 : 20/5 • 3/4 = 4/5 : 4 • 3/4 = 1/5 • 3/4 = 3/20;;

2) 17/20 • 10/34 : 5/2 = 17/20 • 5/17 • 2/5 = (17•5•2)/(20•17•5) = (1•1•1)/(10•1•1) = 1/10;

3) 15/20 : 150/200 : 2/3 = 15/20 : 15/20 : 2/3 = 1 • 3/2 = 3/2 = 1 1/2.