Question

Simplifique as expressões:
A) - 1/2 - (2-1/3) + 1/4 - (3 +1/2)
B) [ 2 1/5 - (3-1/4 - 7 2/3)] - 5 1/15

Answer 1

A) 5/12
B) 127/30

espero ter te ajudado