Question

[Lê Khánh Lâm]

3 mũ 3. 5 mũ 3 - 20 . { 546 - 2 mũ 3 ( 7 mũ 8 : 7 mũ 6 + 7 mũ 0 )]}

62500: {50 mũ 2 : [112-(52-2 mũ 3. 5)]}

Answer 1

[Rinu]

Bài làm

3³.5³-20.{546-2³.(7⁸:7⁶+7⁰)}

=27.125-20.{546-8.50}

=27.125-20.{546-400}

=3375-20.146

=3357-2920

=455

62500:{50²:[112-(52-2³.5)]}

=62 500:{250:[112-(52-40)]}

=62 500:{250:[112-12]

=62 500:{250:100}

=62 500:2,5

=25 000