Question

Determine o valor das expressões a seguir
a)6,87+18,78
b)7,4-14,6
c)-0,5-0,15
d)(-5/4+(-3/4
e)3/5+(-3/4)-(-2/3)

Answer 1

a)25.65
b)-7.2
c)-0.65
d)-1/2
e)31/60