Решите . 5/7 * 3/16 3/4 * 4/27 1 3/8 * 1 5/11 4 1/5 * 2 1/7 2 3/10 * 100

5*3 / 7*16 = 15 / 112;
3/4 * 4/27 = 3*4 / 4*27 = 1/9;
1 3/8 * 1 5/11 = 11/8 * 16/11 = 11*16 / 8*11 = 2;
21/5 * 15/7 = 21*15 / 5*7 = 9;
23/10 * 100 = 230;