Răspuns:
Explicație pas cu pas:
/-fractie
a) cu 2:
4/16 = 2/8; 8/12 = 4/6; 10/38 = 5/19; 14/100 = 7/50;
100/150 = 50/75
b) cu 3:
6/9 = 2/3; 15/12 = 5/4; 27/30 = 9/10; 102/123 = 34/41; 270/372 = 90/124
c) cu 5:
25/60 = 5/12; 15/55 = 3/11; 35/80 = 7/16; 100/85 =
= 20/17; 200/195 = 40/39
d) cu 7:
7/14 = 1/2; 21/28 = 3/4; 14/63 = 2/9; 210/91 = 30/13;
175/658 = 25/94
