Răspuns :
Primul din fotografie se face asa: 15+5×{20-5:[2-15:(18-3)]×4+14}+15 = 15+5×[20-5:(2-15:15)×4+14]+15 = 15+5×[20-5:(2-1)×4+14]+15 = 15+5×(20-5:1×4+14)+15 = 15+5×(20-5×4+14)+15 = 15+5×(20-20+14)+15 = 15+5×(0+14)+15 = 15+5×14+15 = 15+70+15=85+15=100