bonjour
1/7/9+2/3-1/9=7/9+6/9-1/9=12/9=4/3
9/2-3/4+1/4=18/4-3/4+1/4=16/4=8/2=4
7-1/5-3/10=70/10-2/10-3/10=65/10=13/2
14/3-5/6+1=28/6-5/6+6/6=29/6
2/11/6-(5/3-1/3)=11/6-4/3=11/6-8/6=3/6=1/2
17/12-(3/4+1/12)=17/12-7/12=10/12=5/6
2-(4/5-3/10)=2-5/10=20/10-5/10=15/10=3/2
23/18-(1+2/9)=23/18-11/9=23/18-22/18=1/18
3/18/7*5/9=90/63=10/7
14/3*9/8=126/24=63/12=21/4
36/5*15/14=540/70=54/7