ПОМОГИТЕ УМОЛЯЮ ПРОШУ ВАС НОМЕР 99,100,101!!!!!

99
а) 3/5 = 9/15
б) 2/3 = 18/27
в) 5/9 = 20/36
г) 4/7 = 24/42
д) 8/11 = 24/33
е) 7/10 = 28/40
100
1/2 = 50/100
1/4 = 25/100
3/4 = 75/100
1/10 = 10/100
3/10 = 30/100
7/20 = 35/100
9/25 = 36/100
59/50 = 118/100
101
3/8 и 1/12
9/24 и 2/24

5/6 и 5/9
15/18 и 10/18

3/10 и 7/15
9/30 и 14/30

1/2 и 3/7
7/14 и 6/14