Réponses

2014-01-06T19:27:58+01:00
13/10-45/100+2
=130/100-45/100+200/100
=285/100

3-1/30+1/5
=90/30-1/30+6/30
=95/30

(39+5)/(20-9)
=44/11
=4

12.6/0.18
=1260/18
=420/6
=70

14/30-(1/5-1/6)-1/10
=14/30-(6/30-5/30)-3/30
=14/30-1/30-3/30
=10/30
=1/3