Question

вычислите и если можно сократите
1-2/3
2/3+1/6
3/7-5/14
2/5+1/3
1/3-1/4

Answer 1

1-2/3=1/3
2/3+1/6=4/6+1/6=5/6
3/7-5/14=6/14-5/14=1/14
2/5+1/3=6/15+5/15=11/15
1/3-1/4=4/12-3/12=1/12