Answers

2015-08-04T17:19:36+08:00
-30+{24/[18-(14)))
-30+(24/(4))
-30+6
-24
0
2015-08-04T17:49:14+08:00
-30+[24/(18-6-8)]
-30+(24/4)
6/4 or 3/2
0