Question

1) Resolva as frações:
$a)\frac{6}{7} + \frac{2}{3} =$
$b) \frac{1}{5} + \frac{2}{} =$
$c) \frac{7}{5} - \frac{2}{3} =$
$d) \frac{1}{4} + \frac{8}{4} =$
$e) 3 - \frac{2}{3} =$
2) Calcule:
$a) \frac{1}{2} + \frac{7}{5} - \frac{2}{4} =$
$b) \frac{3}{6} + \frac{4}{8} - \frac{1}{3} =$
$c) \frac{2}{8} - \frac{1}{9} + \frac{5}{4} + \frac{1}{3} =$
​

Answer 1

Resposta:

1.A)32 B)11 C)11 D)9 2.a)34 b)2 c)17

21 5 15 4 10 3 36

espero ter ajudado bons estudos