a)2•3²+5²:5⁰+4²•3-(6⁴)⁶:2²²:(3⁴)⁶+5655:435=
=2•3²+5²:1+4²•3-(2²⁴•3²⁴):2²²:3²⁴+13=
=2•3²+5²+4²•3-2²+13=
=18+25+48-4+13=100
b)(2⁶)⁵•{3⁴•28-[3-(2³•5³-3²•10²-5²):(1+4)²]10⁴-2² la puterea 0•3⁴}<2⁷•4⁵•3²⁵
2³⁰•{3⁴•28-[3-(10³-3²•10²-5²):5²]10⁴-1•3⁴}=
=2³⁰•{3⁴•28-[3-(10²-5²):5²]10⁴-3⁴}=
=2³⁰•{3⁴•28-[3-(2²-1)]10⁴-3⁴}=
=2³⁰•[3⁴•28-(3-3)10⁴-3⁴]=
=2³⁰•(3⁴•28-3⁴)=
=2³⁰•3⁴(28-1)=
=2³⁰•3⁴•3³=
=2³⁰•3⁷=
=2¹⁷•3⁷•2¹³
2⁷•4⁵•3²⁵=2⁷•2¹⁰•3²⁵=2¹⁷•3²⁵=2¹⁷•3⁷•3¹⁸
2¹⁷•3⁷•2¹³ < 2¹⁷•3⁷•3¹⁸