Răspuns :
Hi!
a)1540+4=1544
b)1540-4=1536
c)1540×2=6160
d)1540:2=385
a)1540+4=1544
b)1540-4=1536
c)1540×2=6160
d)1540:2=385
Suma : 1540+4=1544
Diferenta : 1540-4=1536
Produsul: 1540x4=6160
Catul: 1540:4=385