Question

resolva as expressões abaixo 20:4+6:3+[3×4-(3²)]²​

Answer 1

Resposta:

16

Explicação passo-a-passo:

$20\div \:4+6\div \:3+\left[3\cdot \:4-\left(3^2\right)\right]^2\\=20\div \:4+6\div \:3+3^2\\=20\div \:4+6\div \:3+9\\=5+6\div \:3+9\\=5+2+9\\=16$