Question

Please help me decide the premieres❤️Даю 40 ​

Answer 1

Ответ:

8/9, 5/9, 3 7/9

Пошаговое объяснение:

1. 7 * 8/63 = 7/1 * 8/63 = 7*8/1*63 = 56/63 = 8*7/9*7= 8/9

2. 1,2 * 25/54 = 1 2/10 * 25/54 = 1*10+2/10 * 25/54 = 12/10 * 25/54 = 6*2/5*2 * 25/54 = 6/5 * 25/54 = 6*25/5*54 = 150/270 = 5*30/9*30 = 5/9

3. 6 3/8 * 16/27 = 6*3+2/8 * 16/27 = 51/8 * 16/27 = 51*16/8*27 = 816/216 = 34*24/9*34 = 34/9 = 3*9+7/9 = 3 7/9