Question

efectuati 6/12 : 9/22= ;12/13 : 4/39 = ;2/3 : 1/6 = :3/4 : 21/40 = ;56 intregi :8/11 = ; 1intregi5/13: 6= ; 7/9 : 2 intregi 1/3 = ; 2intregi1/2 : 1intreg 1/4= ;9 intregi 4/5 :4intregi 2/3 = ;
5 intregi 1/3 : 1 intreg 5/9 = ; trebuie urgent

Answer 1

6/12:9/22=6/12x22/9=4/3; 12/13;4/39= 12/13x39/4=9; 2/3;1/6=2/3x6/1= 4; 3/4;21/40=3/4x40/21= 10/7; 56;8/11= 56x11/8=77; 1 intreg5/13:6=18/13x1/6=3/13; 7/9:2 intregi 1/3= 7/9: 7/3= 7/9x3/7=1/3; 2 intregi1/2;1 intreg1/4=5/2:5/4=5/2x4/5=2; 9intregi4/5:4 intregi2/3=49/5:14/3=49/5z3/14=147/70; 5 intregi1/3:1 ntreg5/9= 16/3:14/9= 16/3x9/14=24/7