Question

15. Calcule.
a) 7-2
d) 5-3
B)(5/7)-2
D)(2/3)-4
E)(2/5)-3
F) (6/3)-1​

Answer 1

Resposta:

a) 5

b) 2

c) $\frac{5}{7}-2=\frac{5-14}{7}=-\frac{9}{7}$

d) $\frac{2}{3}-4=\frac{2-12}{4}=-\frac{10}{3}$

e) $\frac{2}{5}-3=\frac{2-15}{5}=-\frac{13}{5}$

f) $\frac{6}{3}-1=2-1=1$