Question

Помогите.задание 308 номер 2

Answer 1

1) 9 9/14 - 7 10/21 = 9  27/42 - 7 20/42 = 2 7/42 = 2 1/6
2) 11 2/15 - 8 3/25 = 11 10/75 - 8 9/75 = 3 1/75
3) 9/32 - 9/32 = 0
4) 2 1/6 * 35 = 13/6 * 35 = 455/6 = 75 5/6
5) 3 1/75 *20 = 226/75 * 20= 904/15 = 60 4/15
6) 0*16 = 0
7) 75 5/6 + 60 4/15 = 75 25/30 + 60 8/30 = 135 33/30 = 136 1/10
8) 136 1/10 + 0 = 136 1/10
Ответ. 136 1/10.