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tong hai so la 19,1. neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4. tim hai so do.
tong hai so la 19,1. neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4. tim hai so do.
tong cua hai so la 19,1.neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4 .tim hai so do
tong cua 2 so la 19,1.Neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4.Tim hai so do? (giai ra giup minh nhe)
Tong cua 3 so la 19,1 neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu 2 thi dc tong moi la 7,4.Tim 2 so do
tong 2 so la 19,1 neu giam so thu nhat di 4 lan va giu nguyen so thu hai thi duoc tong moi la 7,4 tim 2 so
cho 2 so thap phan co tong la 83,49.neu so hang thu nhat gap len 2,5 lan va giu nguyen so hang thu hai thi tong moi la 130,08. tim hai so da cho
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.
tong hai so la 406 neu gap so thu nhat len 5 lan va giu nguyen so thu hai thi duoc tong tong moi la 1062. tim so thu nhat