👤

Calculati : a)215^2+[(502-5^4:5) + 13^2 *1]

Răspuns :

a) 215^2+[(502-5^4:5)+13^2*1]=
    =215^2+[(502-5^3)+169]=
    =215^2+[(502-125)+169]=
    =215^2+(377+169)=
    =215^2+546