BL
a, so hs lop 6 do la:48hs(de bai cho roi ma)
b, So hoc sinh gioi cua lop 6 la:
48.12.5%=6 (hs)
So hs kha cua lop 6 la:
48.5/24=10 (hs)
Tong so hoc sinh gioi va so hoc sinh kha cua lop 6 la:
10+6=16 (hs)
So hs trung binh cua lop 6 la:
16.3/2=24 (hs)
so hoc sinh co hoc luc yeu cua lop 6 la:
48-16-24=8 (hs)
Dap so:a,48 hoc sinh
b, 8 hoc sinh