👤

3,5^2-1,2x{11+1,1x[6,5+2x(0,45-0,4)]}

Răspuns :

=7-1,2x(11+1,1x(6,5+2x0,05))

=7-1,2x(11+1,1x(6,5+0,1))

=7-1,2x(11+1,1x6,6)

=7-1,2x(11+7,26)

=7-1,2x18,26

=7-21,912

=-14,912