hieu hai so tu nhien la 493 neu xoa chu so 7 o hang don vi cua so lon thi duoc so be tim hai so do
GIUP MIK NHA . MIK CAN GAP
Tong cua 4 so tu nhien la so lon nhat co hai chu so .Neu xoa di chu so o hang don vi cua so thu nhat thi duoc so thu hai .So thu ba = hieu cua so thu nhat va so thu hai .So thu nhat la tich cua so be nhat co ba chu so va so co bon chu so .Tim so thu tu .
Tong cua bon so tu nhien la so lon nhat co bay chu so. Neu xoa di chu so hang don vi cua so thu nhat thi duoc so thu hai. So thu ba bang hieu cua so thu nhat va so thu hai. So thu nhat la tich cua so be nhat co ba chu so va so lon nhat co bon chu so. Tim so thu tu.
tong cua hai so tu nhien la 1644. neu xoa chu so o hang don vi cua so lon thi ta duoc so be . tim so lon ,so be
tong hai so tu nhien la1644 neu xoa chu so hang don vi cua so lon ta duoc so be tim so lon
tong 2 so tu nhien la 1644 neu xoa chu so hang don vi cua so lon ta duoc so be . Tim so lon
Hieu cua 2 so tu nhien la 493 . Neu xoa chu so 7 o hang don vi cua so lon thi duoc so be. Tim 2 so do . Cac bn co gang giai ho minh nha , minh dang gap ,tks
Bai 1 : Tong cua hai so la 2000. Neu so hang thu nhat them 135 don vi va so hang thu hai bot 531 don vi thi duoc tong moi la bao nhieu?
Bai 2 : Tim tong hai so biet rang neu so hang thu nhat bot di 246 don vi va so hang thu hai them 642 don vi thi duoc tong moi bang 2010.
Bai 3 : Hieu cua hai so la 1000. Neu so lon them 235 don vi va so be bot 200 don vi thi duoc hieu moi la bao nhieu?
Bai 4 : Hieu cua hai so bang 1234. Neu so lon bot 234 don vi va so be them 456 don vi thi duoc hieu moi la bao nhieu?
Bai 5 ; Tim hieu cua hai so, biet rang so lon va so be cung bot di 100 don vi thi duoc hieu moi la 1000.
tim hieu 2 so tu nhien biet tong 2 so do la 327 , neu xoa chu so hang don vicua so lon ta duoc so be