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cho 2 so co hieu la 1652.Neu xoa chu so 5 o hang don vi cua so lon thi duoc so be Tim 2 so da cho
tim hai so co hieu 385 biet rang neu xoa di chu so 7 o hang don vi cua so lon thi duoc so be
1. Tim 2 so co tong = 129. Neu lay so thu 1 chia cho so thu 2 thi duoc thuong la 6 du 3.
2. Tim 2 so co hieu = 114. Neu xoa chu so o hang don vi cua so lon thi duoc so be
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 nh...
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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.
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
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 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
Hieu 2 so thap phan la 151,55.Biet chu so hang don vi cua so lon la 8,chu so hang phan muoi cua so be la 7.Neu doi cho 2 chu so nay cho nhau thi ta duoc 2 so moi co tong la 244,15.Tim 2 so luc dau ?
Tim hai so co tong la 107 . Biet rang neu xoa di chu so 8 o hang don vi cua so lon ta duoc so be.