Question

a) (5/7)-2 b) (2/5)-3 c) (2/3)-4 d) 5-3 e) (6/3)-1

Answer 1

Olá Vitoriasantos261!!!

a) $+ \frac{5}{7}$ $- \frac{2}{1}$ =
$+\frac{5}{7}$ $- \frac{2}{7}$ =
$+\frac{7}{7}$ ou 1

b)$+\frac{2}{5}$ $-\frac{3}{1}$ =
$+\frac{2}{5}$ $-\frac{3}{5}$ =
$+\frac{5}{5}$ ou 1

c) $+\frac{2}{3}$ $-\frac{4}{1}$ =
$+\frac{2}{3}$ $-\frac{4}{3}$ =
$-\frac{7}{3}$ ou $-2\frac{1}{3}$

d) +5-3 = +2

e)$+\frac{6}{3}$ $-\frac{1}{1}$ =
$+\frac{6}{3}$ $-\frac{1}{3}$ =
$+\frac{7}{3}$ ou $+2\frac{1}{3}$

Espero ter ajudado
Beijinhos e bons estudos :3