Răspuns:
a) (22+2•3)•{2•2²•2⁴³-2⁴⁶+[3¹⁴⁸:3⁴³-(3⁵)²¹]+16}=
(22+6)•{2•2²•2⁴³-2⁴⁶+[3¹⁰⁵-3¹⁰⁵]+16}=
28•{2•2²•2⁴³-2⁴⁶+0+16}=
28•{2⁴⁶-2⁴⁶+0+16}=
28•{0+0+16}=
28•16=448
b)122+12•{183:[(2•3²•5³)⁴:(2⁴•3⁷•5¹²)+(2⁸)⁹:2⁷²-1²⁷•5⁰]-9•(54-2⁴•3)}=
122+12•{183:[(2⁴•3⁸•5¹²):(2⁴•3⁷•5¹²)+2⁷²:2⁷²-1•1]-9•(54-16•3)}=
122+12•{183:3+0-1-9•(54-48)}=
122+12•{61+0-1-9•6}=
122+12•{61+0-1-54}=
122+12•6=
122+72=194
