Tim hieu 2 so biet so lon bớt di 235 don vi so be them 275 don vi thi đuoc hieu moi la 2011
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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 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.
1: 1334
2:1614
3:1435
4:544
5:800
T I C K ĐÚNG CHO MIK NHA
Tim hieu cua hai so, biet rang neu so lon tang them 1470 don vi va so be tang them 25830 don vi thi duoc hieu moi la 12340.
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 la 992 sau . Khi them vao so lon 36 don vi va bớt di so be 24 don vi thi so lon bang 5/3 so be. Tim so ban dau
tim 2 so tu nhien co hieu la 45 nau them vao so lon 15 don vi va bot so be di 8 don vi thi duoc 2 so co thuong moi la 5 tim 2 so do
hieu 2 so la 125 tim so be biet neu cung bot moi so di 18 don vi thi so be bang 2/3 so lon vay so be la
hieu 2 so la 111 .tim so be biet neu bot so be di 9 don vi thi ta duoc so moi bang 3/5 so lon
số lớn là
(111+9):(5-3)x 5= 300
số bé là
300-111=189
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tim 2 so tu nhien co hieu la 45 nau them vao so lon 15 don vi va bot so be di 8 don vi thi duoc 2 so co thuong moi la 5
hieu hai so la 217. biet neu giam so lon di 15 don vi va tang so be di 22 don vi thi so be = 2/5 so lon. tim hai so do.