mot lop co 40 hs gom 3 loai gioi kha trung binh trong do 30% tong so la hs gioi shs gioi =4/7 hs kha con lai la hs tb tinh moi loai tinh ti so phan tram so hoc sinh tb so voi so hs ca lop

Cuoi nam hoc xep loai hoc luc cua lop 6A co 3 loai: gioi, kha, trung binh. Trong do loai gioi chiem 18,75℅ tong so hs ca lop, loai kha bang 300℅ loai gioi, loai trung binh co 12 em. Tinh so hs cua lop 6A.

Mot lop hoc co chua den 50 hs. Cuoi nam xep loai hoc luc gom 3 loai:gioi , kha , TB, trong do 1/16 so hs cua lop xep loai TB, 5/6 so hs cua lop xep loai gioi , con lai xep loai kha.Tinh so hs xep loai kha.

lop 6a co 3 loai hoc sinh gioi, kha,tb. hs gioi chiem 4/5 so hs kha va tb. so hs kha =1/3 hs ca lop.biet so hs tb la 5 em. tinh so hs ca lop, hs gioi, kha

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

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 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

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

Lop 6a co 40 hs .Ket qua hoc ki 1 duoc xep loai nhu sau : loai kha chiem 40% tong so hs ca lop va bang 8/11 so hs trung binh, con lai xep loai gioi.

a.tinh so hs moi loai cua lop 

b.tinh ty so phan tram cua so hs gioi so voi so hs ca lop