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// tinh diem trung binh hcmus, vao trang diem va paste vao console. | |
// khong tinh anh van, quoc phong, the duc va nhung mon rot | |
var tinchi = document.querySelectorAll("td:nth-child(3)"); | |
var monhoc = document.querySelectorAll("td:nth-child(2)"); | |
var diem = document.querySelectorAll("td:nth-child(6)"); | |
var diemtren = 0, | |
diemduoi = 0; | |
for (var i = 1; i < tinchi.length; i++) { |