Question

Calcule as expressões:
a) 1/3 + (7/3+7/3)=
b) 5/2 + (5/2-3/2)=
c) (5/2-1/2) * (1/3+2/3)=

Answer 1

Letra a 1/3 + (7/3+7/3) 1/3 + 14/3 15/3 = 5  Letra b 5/2 + (5/2-3/2) 5/2 + 2/2 7/2  Letra c (5/2-1/2)*(1/3+2/3) (4/2)*(3/3) 2*1 = 2