Сократите дробь 1)9×5/7×3;2)8×3/6×24;3)5×27/18×5

1.

9 × 5/7 × 3 = 19 2/7. 

1). 9 * 5/7 = (9 * 5)/7 = 45/7; 

2). 45/7 * 3 = (45 * 3)/7 = 135/7 = 19 2/7. 

2.

8 × 3/6 × 24 = 96. 

1). 8 * 3/6 = (8 * 3)/6 = 24/6 = 4; 

2). 4 * 24 = 96. 

3.

5 × 27/18 × 5 = 37 1/2. 

1). 5 * 27/18 = (5 * 27)/18 = 135/18 = 7 9/18 = 7 1/2; 

2). 7 1/2 * 5 = 15/2 * 5 = (15 * 5)/2 = 75/2 = 37 1/2.