РЕШИТЕ СРОЧНООО ТОЛТКО БЫСТРО
3 3/4+1 1/2= 3 3/4+1 2/4= 4 5/4= 5 1/4 2 5/6-1 5/12= 2 10/12-1 5/12= 1 5/12 4-1 2/3= 3 3/3-1 2/3= 2 1/3 3 2/7-6/7= 2 9/7-6/7= 2 3/7 1 1/3*4= 4/3*4= 16/3= 5 1/3 3 1/4*2/5= 13/4*2/5= 13/10= 1 3/10 2 1/4:3= 9/4*1/3= 3/4 20:2 1/2= 20*2/5= 8