Question

AJUDA POR FAVOR

Calcule as expressoes.

a) 1/2 + 1/3 + 5/6
b) 3/4 + 5/6 - 1/2
c) 5/6 - 1/2 - 1/3
d) 1/2 - 1/3 + 5/6 - 3/4

Answer 1

a) 1/2+1/3+5/6=
3/6+2/6+30/6=
35/6
b)3/4+5/6-1/2=
9/12+10/12-6/12=
13/12
c)5/6-1/2-1/3=
5/6-3/6-2/6=
0
d)1/2-1/3+5/6-3/4=
6/12-4/12+10/12-9/12=
3/12