3:1/9; 4:3/8; 9:3/7; 2:1 1/3
6:1/11; 5:5/7; 10:5/8; 12:2 1/7

помогите плииииз

3:1/9=3/1*9/1=3*9=274:3/8=4/1*8/3=32/3=10 2/39:3/7=9/1*7/3=63/3=212:1 1/3=2/1:4/3=2/1*3/4=6/4=3/2=1 1/26:1/11=6/1*11/1=6*11=665:5/7=5/1*7/5=35/5=710:5/8=10/1*8/5=80/5=1612:2 1/7=12/1:15/7=12/1*7/15=84/15=5 9/15=5 3/5