Question

Calcule o valor das expressões

Answer 1

a) 5/8 + 1/2 - 2/3 = (15+12-16)/24 = 11/24
b) 5 + 1/3 - 1/10 = (150+10-3)/30 = 157/30
c) 7/8 - 1/2 - 1/4 = (7 - 4 - 2)/8 = 1/8
d)1. 2/5 + 3 + 1/10 = 2/5 + 3 + 1/10 =  (4 + 30 + 1)/10 = 35/10