Efectuati:
A)0,5•[100•0,01+4,4•(0,35-0,2)]


Răspuns :

0,5x[100x0,01+4,4x(0,35-0,2)]=
0,5x(100x0,01+4,4x0,15)=
=0,5x(1+0,66)=
=0,5x1,66=
=0,83
0,5x(1+4,4x0,15)
0,5x(1+ 0,660)
0,5x1,660
=0,8300