[20分]new certificate solution

我買左new certificate additional mathematics complete notes and exam practices 1
同new certificate chemistry complete notes and exam practices 1
但係我係買舊書,買果時唔記得左問佢有冇solution book
之後返去再問,佢話冇solution
唔知有冇人可以send比我或者淨係賣本solution比我
thx