Các câu hỏi tương tự
1.ket qua so ket HK1,so hs kha va gioi cua lop 6A chiem 50% so hs ca lop,so hs TB chiem\(\frac{2}{5}\)so hs ca lop,con lai 4 hs yeu.tinh so hs kha va gioi,so hs TB
Lop 6a co 22 hs gioi ,chiem 55% so hs ca lop .so hs kha bang 20% so hs ca lop ,con lai la hs trung binh.
a/ tinh so hs ca lop ,so hs kha, so hstrung binh cua lop 6a.
b/ tinh ti so phan tram cua hs trung binh so voi hs ca lop.
Lop 6B co 45 HS hoc luc duoc chia lam 3 loai: Gioi, kha, trun binh. So HS trung binh chiem \(\frac{2}{9}\)so HS ca lop, so HS kha bang 60% so HS con lai
a) Tinh so HS moi loai
b) Tinh ti so giua cac HS gioi va HS trung binh
c) So HS gioi chiem bao nhieu phan tram hoc sinh cua ca lop?
lop 6A co 40 HS .So HSgioi bang \(\frac{1}{5}\)so HS ca lop, so HS kha bang \(\frac{5}{2}\)so HS gioi , so HS trung binh bang 50% so HS kha , con lai la HS yeu.Tinh so HS cac loai gioi, kha, trung binh , yeu
1 lop hoc co 45 hs gom 3 loai luc gioi kha trung binh .So hs trung binh chiem 3/9 so hs ca lop, so hs kha bang 60% so hs con lai
a,tinh so hs moi loai
b,tinh ti so giua so hs gioi va trung binh
c,so hs gioi chiem bao nhieu phan tram so hs ca lop
lam nhanh nha mai nop bai roi.
Mot lop co 40 hs gom 3 loai : gioi ,kha ,trungbinh
So hs trung binh chiem 35 % so hs ca lop so hs kha bang 8/13 hs còn lai tinh sao hs kha so hs gioi cua lop
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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
lop 6a co 35 hoc sinh ket qua hoc luc xep thanh 3 loai gioi kha trung binh so hoc sinh gioi chiem 1/7 so hoc sinh ca lốp hoc sinh kha chiem 40%so hs con lai tinh so hs trung binh cua 6a
lop 5b cuoi hocj ky 2 co 3 loai hs gioi, kha, trung binh. so hs gioi bang 3/5 so hs ca lop. so hs kha it hon 3/5 so loai trung binh la 2 em. tinh so hs gioi , kha cua lop biet so hs trung binh la 15em