cai nay la mot nam suy tu khong ngu
co nghia la mot nam suy tu k ngu (15 suy 4(tu)o(kong ) 5(ngu)
day la chuyen muc giai toan nhung cac cau giup to giai bai van nay vs nhe cam on cac nhiu
tu cac so sau 0,1,2,3,4,5,6,7.
hay viet mot doan van tu cac so tren
ai giai minh tik cho
1-3+5-7+...+2001-2003+2005
cac cau giai nhanh giup to nhe
cac cau giai chi tiet giup mik voi
mik dang can gap
cac cau giup mik vs mik dang can gap
cac bn giai giup mik vs
Cac ban gjaj gjup mik cau nak caj
(4n+3)chia het cho (3n+4)
mong cac ban giai giup
CAU 1: Chung to rang voi moi so nguyen n thi: (n-1).(n+2)+12 chia het cho 9.
CAU 2: Tm cac cap so nguyen (x; y) biet:
a) x.y=-2
b) (2x-1). (y+1)=14
c) xy= x+y
d) xy= x-y
GIAI NHANH GIUP TO NHE !
x-3.lx+5l=7
cac ae giup mk giai bai nay vs
Giup minh cau nay voi cac ban
520 :(515x6+515X9) tinh nhanh
