Sostavit vernie ravenstva 18+2.34-14
18+2=20 34-14=20 2+18=20. 34-20=14 20-18=2. 20+14=34 20-2=18. 14+20=34
18 + 2 = 20 2 + 18 = 20 20 - 2 = 18 20 - 18 = 2 34 - 14 = 20 34 - 20 = 14 14 + 20 = 34 20 + 14 = 34