Question

calcule as seguintes expressões​

Answer 1

Resposta:

a) $\frac{1}{2} + \frac{1}{3} = \frac{5}{6}$  

b) $\frac{3}{4} + \frac{4}{3} = \frac{25}{12}$

c) $\frac{4}{5} + \frac{2}{6} =\frac{17}{15}$

d) $\frac{1}{2} + \frac{1}{3} = \frac{5}{6}$

e) $\frac{4}{3} - \frac{1}{2} =\frac{5}{6}$

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

g) $(-\frac{5}{4}) + (-\frac{2}{5} ) =-\frac{33}{20}$

h) $\frac{1}{2} - \frac{2}{6} = \frac{1}{6}$

espero ter ajudado.

Answer 2

a) 5/6
b) 25/12
c) 17/15
d)5/6
e) 5/6
f) 1/6
g) 1/6