33又1/3+1/3
=33+1/3+1/3
=33又2/3
1.2-1/5
=6/5-1/5
=5/5
=1
3又1/2+15
=3+1/2+15
=18+1/2
=18又1/2
3又2/7+6又5/7
=3+6+2/7+5/7
=3+6+1
=10
3又8/11-1又1/7
=3+8/11-1-1/7
=3-1+56/77-11/77
=2+45/77
=2又55/77
2又2/3-1又1/3
=1又1/3
2/3+1又/6 1又/6
33又1/3+1/3
=33+1/3+1/3
=33又2/3
1.2-1/5
=6/5-1/5
=5/5
=1
3又1/2+15
=3+1/2+15
=18+1/2
=18又1/2
3又2/7+6又5/7
=3+6+2/7+5/7
=3+6+1
=10
3又8/11-1又1/7
=3+8/11-1-1/7
=3-1+56/77-11/77
=2+45/77
=2又55/77
2又2/3-1又1/3
=1又1/3
2/3+1又/6 1又/6