Tim cac so nguyen x,y(y>0) biet |xm^2-1|+(y^2-3)=2 tim x nho cach lam nua nha
bai 1 : tim cac so nguyen x va y biet: x . y = -15
bai 2 : tim cac so nguyen n sao cho n - 3 chia het cho n - 1
CAC BAN GIUP MK NHA .
AI LAM NHANH VA DUNG THI MK SE TICK CHO ^ _ ^
Bai 1: Tim cac so nguyen n sao cho: n - 3 chia het cho n - 1
Bai 2: Tim cac so nguyen x va y biet : x . y = -15
AI LAM NHANH VA DUNG THI MK SE TICK CHO NHA ^ _ ^
tim a;b € N biet
a) a.b = 4320 va BCNN(a;b)=300
b) a.b = 24300 va UCLN(a;b)=45
giup mk voi nha mk dang can gap ( giai ca cach lam nua nha ) ai nhanh va dung se dc 3 like
tim x thuoc Z biet:
|x-5|+x+3=16
|x-4|>x+2
||x+5|-4|=3
Cach lam nua nhe
minh chua biet cach lam,cac ban phaiviet cach lam vao minh moi tick
ko bat buoc lam tat ca cac cau
Cho bieu thuc B= 7/ n -7
a) So nguyen n phai co dieu kien gi de B la phan so.
b) Tim phan so B biet n = -7
c) Tim cac so nguyen n de B la so nguyen.
bn nao co loi giai chi tiet bai nay mk se tick,vi mk dung dien thoai ko viet dau dc nen cac ban thong cam nha.
Tim PS a/b sao cho khi chia a/b cho 7/15 va 12/25 duoc thuong la cac so nguyen
cach lam nua nha cac ban
tim cac so nguyen x,y biet :
a) (x-1).(y+2)=7
b) x(y-3)=-12
c) (x-3)(y-3)=9
cac ban lam het ra cho minh nha,mk se tick cho!
Tim x biet:
(2x-1)5=(2x-1)7
Tim cac so nguyen to x , y thoa man:
(x-2)2.(y-3)2=4
trinh bay cach lam nhe