calcule usando frações decimais:
a)2/10+0,3=
b)5/10-0,2=
c)0,16+8/100=
d)6/10+6/100=
e)0,18+1,2=
f)25/100-14/1000=
g)1/4+2/5=
h)3/4-3/8=
​