a fost răspuns

afla suma a+b+c
a= 546+304-(560:7ori3+10ori 27)
b=(400-375)ori 25-(808:4+300)
c= 3 ori paranteza patrata 10:10+2ori(2+8-3)parnteza patrata

Răspuns :

a=546+304-(560:7x3+10x27)
a=546+304-(240+270)
a=850-510
a=340

b=(400-375)x25-(808:4+300)
b=25x25-502
b=123

c=3x[10:10+2x(2+8-3)]
c=3x(1+2x7)
c=3x15
c=45