3/2-5/6:(1/2)2+√0,25−√140,25−14

a,3/2-5/6:(1/2)2+√0,25−√140,25−14

b,-4/3:2/9+13/12:-13/8

c,(-1/2)2-[-1/6:|-1+5|-√64.(14)264.(14)2

d,15^11.5^7.9^2/5^18.27^6
mn giúp e vs ạ