Các câu hỏi tương tự
Tim UCLN cua 2n - 1 va 9n + 4 (n thuoc N*)
Ai giai dau tien mk tick ( phai dung nhe )
giai giup minh nhe
bai 1 a )tim ucln(6n+3,6n+9)
b)tim ucln (2n-1;9n+4)
bai2 tim a;b thuoc n biet
bcnn(a;b)=240
ucln(a;b)=16
bai 3 tim so chia va thuong cua 1 phep chia biet so bi chia la 145 du 12 thuong # 1
cho n thuoc N tim UCLN cua
a) 2n+1 va 3n+1
b)20n+1va 15n+2
Tim n thuoc z biet
(n+2)chia het cho (n-3)
Hay ghi loi giai day du giup minh nhe!
Tim n thuoc Z de
n+7/3n-1 la so tu nhien(giai giup mik nhe,can gap lam)
bai 1:tim n thuoc n de:3(n+2) chia het cho n-2bai 2chng minh rang cac so sau la cac so nguyen to cung nhaua) 18n+3 va 21n+4b)2n+1va3n+1bai 3:tim hai so biet tong hai so la 90 va uoc chung lon nhat la 15bai 4:tim so tu nhien n lon nhat co 3 chu so sao cho n :15 du 9va n:35 du 29bai 5:tim uoc chung lon nhat cua cac so sau:a)18n+3 va 21n+4b)9n+13 va 3n+4bai 6:chung minh: voi moi a,b thuoc nta coUCLN(a,b)UCLN (5a+2b,7a+3b)AI DUNG TRUOC 9H MINH SE TICH CHO.THANHK YOU VERY MUCH!
Đọc tiếp
bai 1:tim n thuoc n de:3(n+2) chia het cho n-2
bai 2chng minh rang cac so sau la cac so nguyen to cung nhau
a) 18n+3 va 21n+4
b)2n+1va3n+1
bai 3:tim hai so biet tong hai so la 90 va uoc chung lon nhat la 15
bai 4:tim so tu nhien n lon nhat co 3 chu so sao cho n :15 du 9va n:35 du 29
bai 5:tim uoc chung lon nhat cua cac so sau:
a)18n+3 va 21n+4
b)9n+13 va 3n+4
bai 6:chung minh: voi moi a,b thuoc nta co
UCLN(a,b)=UCLN (5a+2b,7a+3b)
AI DUNG TRUOC 9H MINH SE TICH CHO.THANHK YOU VERY MUCH!
chung to rang hai so n+1va 3n+4(n e N)la hai so nguyen to cung nhau(cho minh cach giai nhe)
Cho A=3n-5/n+4. Tim n thuoc Z de A co gia tri nguyen.
Giai day du ho minh nhe! Cam on moi nguoi nhieu!
Cho A= \(\frac{n+2}{n-5}\) ( n thuoc Z; n khac 5). Tim n de A thuoc Z
GIUP MINH NHE