Найдите значение 7/6-1;1/2+2/7;1/2-1/3;3/4+1/8;5/6-7/12;2/5+3/10.
7/6-1=7/6-6/6=1/6 1/2+2/7=7/14+4/14=11/14 1/2-1/3=3/6-2/6=1/6 3/4+1/8=6/8+1/8=7/8 5/6-7/12=10/12-7/12=3/12=1/4 2/5+3/10=4/10+3/10=7/10