Question

пж пж СРОЧНА!!!
ааааааа пж пж

Answer 1

а) 7/15  *  30/49 = (7 * 30) / (15*49) = (1 *2)/ (1 * 7) = 2/7
б) 13/15  /  2/15 = (13 * 15) / (15 * 2) = 13/2
в) 4 * 2 1/3 = 4/1 * 4/3 = (4 * 7) /(1 * 3) = 28/3 = 9 1/3
г) 5 4/5  /  1/5 = 29/5  /  1/5  = (29 * 5) /(5 * 1) = 29/1 = 29