Vì ( a + 1 ) ( b + 2 ) = 3 nên ( a + 1 ) ; ( b + 3 ) thuộc Ư(3) = { 1 ; -1 ; 3 ; -3 }
rồi bạn kẻ bảng
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
tim cac so tu nhien a va b nho nhat lon hon 1 sao cho a^7=b^8
cho hai so a;b thuoc N sao cho uoc chung lon nhat (a; b)=8 va a+b=3.tim a;b
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!
tim cap a;b nguyen sao cho a,b lon nhat thoa man (a+1).(b+2)=3
tim cap a,b nguyen sao cho a,b lon nhat thoa man (a+1)(b+2)=3
Tim gia tri lon nhat va nho nhat cua phan so: ab/a+b
tim 2 so a va b biet boi chung nho nhat cua a va b=240 va uoc chung lon nhat cua a va b=16
tim 2 so a va b biet boi chung nho nhat cua a va b=240 va uoc chung lon nhat cua a va b=16
tim cap a;b nguyen sao cho a*b lon nhat
thoa man ( a+1 ) (b+2 )=3