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tong cua 2 so tu nhien la 630.tim so be biet neu bót so be di 19 don vi va them vao so lon 19 don vi thi so be bang 3/4 so lon
tong cua 2 so tu nhien = 630 tim so be biet neu bot so be 19 don vi tang so lon 19 don vi thi so be =3/4 so lon
Tong cua 2 so la 14. Neu them vao so lon 1,3don vi va bot o so be di 1,3 don vi thi so be bang 2/3so lon .Tim 2 so
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 bang 41.Biet neu giam so be di 19 don vi va them 12 don vi vao so lon thi so be bang 3/5 so lon.Tim 2 so do ?
tong hai so tu nhien bang 368 . tim so lon biet neu cung bot moi so di 9 don vi thi so be bang2/3 so lon.tim so lon
tim 2 so tu nhien co hieu la 45 biet rang neu them vao so lon 15 don vi va giam so be di 8 don vi thi duoc 2 so moi co thuong bang 5
hieu hai so bang 41.biet neu giamso be di 19 don vi va them vao so lon 12 don vi thi so be bang 3/5 so lon.tim so lon .
Hieu cua 2 so la 41 biet neu giam so be di 19 lan va them vao so lon 12 don vi thi so be
bang 3/5 so lon tim hai so do