one + two + three + ... + nine + ten = tenx(ten+one):two = fifty - five
one + two + three + ... + nine + ten = tenx(ten+one):two = fifty - five
chi ra moi quan he cua cac y phu voi y chinh
ai tra loi duoc cau nay minh se thuong cho rat nhieu tick cho cac cau tra loi cua ban trong cac cau hoi ma ban tra loi!
tìm số abcd biết abcd+abc,d+a,bcd=2238,665 ai giai duoc lam dum minh cau nay
cho to hoi nghia cua cau :"ho mang bo len nui " ai giai duoc minh tick cho . dang tim ban ; ket ban voi minh nhe
Ai tick cho minh se duoc huong lai 3tich minh chuc cac ban co su tra loi dung dan
Ai tra loi duoc cau hoi nay minh tick 2 tick cho Cau hoi 1 ne:
1,2+2,3+3,4+.,,.,+9,8 ..........1,23+2,23+3,23+4,24+,...+8,28
Chi dien dau thoi nha
trong mot ki thi cu tra loi dung mot cau hoi thi duoc 10 diem tra loi sai mot cau hoi thi tru 5 diem mot thi sinh tra loi 20 cau hoi duoc 80 diem. Tim so cau tra loi dung, so cau tra loi sai? Ai biet bai nay giup minh voi ! Khan cap ! Khan cap!
tong so tuoi cua 3 nguoi la 115 tuoi cua nguoi thu 1=2lan tuoi cua nguoi thu 2+10 tuoi cua nguoi thu 2bang 3 lan tuoi cua nguoi thu 3-5 hoi moi nguoi bao nhieu tuoi
giai giup minh bai nay nh ai giai dung minh se cho mot tick nha thank you.
TIN HHHOOOTTT day!
Neu ai giai dung bai minh dua ra se duoc 1 phan qua bi mat nhe!
De bai nhu sau:
Mot cua hang ban mot so bo dung cu cat tia rau cu.Neu ban voi gia 90 000 dong/1 bo thi lo 110 000 dong.Neu ban voi gia 110 000 dong/1 bo thi lai 90 000 dong .Hoi co bao nhieu bo duoc ban ra?
Cac ban nho la nguoi duoc phan qua se la nguoi giai nhanh nhat,day du nhat va dung nhat nhe!!!
co 4 nguoi bat tay chao lan nhau.Hoi co bao nhieu cai bat tay
cau hoi nay rat de ai lam nhanh va dung minh se tich cho