👤

Efectueaza [(248:8-21x1):10]+(500:50)+800:20)=

Răspuns :

[(248:8-21x1):10]+(500:50)+800:20)=

=[ (31 - 21):10] + 10 + 40 =

= (10 : 10) + 50 =

= 1 + 50 =

= 51