Question

resolva a expressao 2²x{25-[3^4:(2³-√1x√25)-3²]}

Answer 1

Olá, Flavia. (=^.^=)/

2²x{25-[3^4:(2³-√1x√25)-3²]}

2^2.{25-[3^4:(6-1.5)-3^2]} =
2^2.{25-[3^4:25-3^2]} = 
2^2.{25-[27:25-6]} = 
2^2.{25-1,08-6}
2^2.17,92 = 
4.17,92 = 71,68.

Sempre ás ordens.
Bons estudos! :-)