ultima tarea

3+5=8 10+7=17 7-3=4 4*4=16 8*9=72

3*98=294 3^4=81 5^3=125 10%100=10 15%900=135

135 in octal=207 243 in hex=f3 385 in binari=10110011

6+4+9=19 30+46+70=146 (9+10)*3=270 year in days=365

20 km a m=20000