Question

Вычеслите 1/6-1/14; 1 1/3-5/6; 2/3+5/6; 5/6+7/10; 2/1/3+1/6; 2 1/2+3/10; 6-3 4/5; 4 3/4-2 1/8; 5 4/15-2 1/10