Question

10+{2 la puterea a 2 +2[4-(-4+2×3)]+5}

Answer 1

10+{2^2+2[4-(-4+2·3)]+5}=

=10+{4+2[4-(-4+6)]+5}=

=10+[4+2(4-2)]+5=

=10+(4+2·2)+5=

=10+(4+4)+5=10+8+5=23