Răspuns:
Explicație pas cu pas:
3³-3²:(2⁶-2⁵-2⁴-2³-2²-2¹-2⁰) = 27-9: (64-32-16-8-4-2-1) =
= 27-9:1 = 27-9 = 18
5⁷·(5⁷+5⁶+5⁵):5⁵+9⁷:3² = 5⁷·5⁵·(5²+5¹+5⁰):5⁵ + (3²)⁷:3² =
= 5⁷·(25+5+1) + 3²ˣ⁷:3² = 5⁷·31 + 3¹⁴⁻² =
= 31·5⁷ + 3¹² = 2421875+531441 = 2953316
#copaceibrainly