Question

Alguém me ajuda tem imagem abra a pergunta

Answer 1

Resposta:

Explicação passo-a-passo:

$A) \frac{1}{2} +\frac{2}{3} = \frac{3+4}{6} =\frac{7}{6} \\\\\\B) \frac{3}{4} -\frac{3}{2} = \frac{3-6}{4} =-\frac{3}{4} \\\\\\\\C)\frac{6}{5} . \frac{2}{3} = \frac{12}{15} \\\\D)\frac{8}{9} : \frac{3}{2} = \frac{8}{9} .\frac{2}{3} = \frac{16}{27}$

Answer 2

Resposta:

A = 3 quintos

B = -0.75

C =0.8

D = 1.33......