coui hoc ki 1 hs lop 5a deu dat luc hoc kha hoac gioi trong do so hs gioi chiem 60 % so hs kha nhung chi tieu phan dau cua lop la cuoi nam so hs gioi dat 60 % do do so voi cuoi ki lop 5a phai co them 9 hs nua dat hoc luc gioi hoi lop 5a co bao nhieu hs biet rang trong ca nam hoc lop 5a khong co thay doi ve si so
cuoi hoc ki 1 lop 5a co so hs gioi bang 2/5 so hoc sinh kha sang hoc ki 2 do co gang nen them 5 ban nua dat loai gioi luc nay so hoc sinh gioi bang 2/3 so hoc sinh kha tinh so hs moi loai moi loai cuoi nam biet rang lop khong co hoc sinh trung binh va yeu
mot lop co 60 % hs gioi, 30 % hs kha biet so hoc sinh gioi nhieu hon hs kha 12 ban. tinh so hs ca lop
giup mink nhanh len mink cho 5 t
1 lop co 25% hs gioi , 55% hs kha con lai la hs trung binh . Tinh so hoc sinh cua lop do bt so hs trung binh la 5 bn
lop 5a co so hs gioi bang 3phan 5 tong so hs so hoc sinh kha bang 1 phan 2 so hoc sinh gioi, con lai la 5 hoc sinh trung binh
Lop 6A co 32 HS. Cuoi ki duoc xep 3 loai la gioi , kha va trung binh. Trong do so HS gioi chiem 25 % so HS ca lop. So HS trung binh bang \(\frac{1}{3}\) so HS con lai
a) Tinh so HS gioi, kha va trung binh cua lop do.
b) Tinh ti so phan tram cua so HS trung binh so voi so HS ca lop
ai nhanh cho 1 like
lop 5a co 1/8 so hs la hs gioi ,1/ 2so hs la hs kha ,con lai la hoc sinh trung binh . hoi hs trung binh chiem bao nhieu phan tramso hs ca lop
Tong ket hoc ki ăvua qua ,lop 5a co 80 phan tram so hs xep loai hoc luc gioi.co giao tinh nham them ô ban nua dc xep loai gioi thi tong so hs gioi se bang 90 phan tram so hs cua lop. so hs dc xep loai gioi cua lop do la may ban?
Lop Co 8 hs gioi, 10 hs kha ,14 hs trug Bing, ko co hs yeu .Tinh. ti so hs gioi. VA hs ca lop