SMART Notebook 8.1Jul 6 - 6:17 PM1 + 34 8581 + 12 4342 + 13 6561 + 54 12233 - 34 8385 - 112 4161 - 32 10154 - 35 15353 - 47 28271 + 12 911181357911131517192468101214161820