Răspuns:
30+8+80=118 adunare
70+8+560=638
24800-9000-8=15792 scadere
2100-560=1540
8·10·70=5600 inmultire
560·8=4480
560:70=8 impartire
80:8=10
2100:30=70
24800:100=248
