Cap so nguyen duong ( x,y ) thoa man |(x² + 2).(y + 1)| = 9 la (x,y)=.....

(Nhap cac gia tri theo thu tu , cach nhau boi dau;)

tap hop cac so nguyen x+2=10

nhap cac gia tri theo thu tu tang dan ngan cach boi dau ";"\

tap hop cac so nguyen duong nho hon 8 la (...) nhap cac gia tri theo thu tu tang dan ,ngan cach boi  dau ;

tap hop ccac so nguyen x thoa man (| x - 2013 | + 2014 ( x mu 2 +5 ) ( 9 - x mu 2 = 0  la S = (...) Nhap cac phan tu theo thu tu tang dan , ngan cach nhau boi dau ; 

tim cap a,b sao cho a.b lon nhat thoa man

(a+1) x (b+2)

tra loi a,b 

tap hop cac so nguyen x thoa man |7-x|=|x+3| la {...}.(neu tap hop co nhieu  phan tu,nhap theo thu tu tang dan, cach nhau boi dau ";")

cho4 so ko am a,b;c;d thoa man a+b+c+d=1 . Goi S la tong cac tri tuyet doi cua hieu tung cap so co duoc tu 4 so nay. S co the dat gia tri lon nhat la bao nhieu ?

xin loi cac ban vi cau hoi cua minh ko co dau nen hoi kho hieu mong cac ban giup do nha thankyou

voi a,b la hai so tu nhien thoa man :a.b=20 va a<b.Khi do a+b co gia tri lon nhat la

cho cac so a, b, c ko am thoa man: a+3c=2016,a+2b=2017. tim gia tri lon nhat cua bieu thuc:P=a+b+c

ai tra loi xong ma dung thi to tick cho. con neu ko tra loi duoc ma kb voi to hoac tick cho dap an dung cua to thi to cung tick