Các câu hỏi tương tự
tong 2 so bang 7, 36 tim 2 so do biet rang 3 lan so hang thu nhat tru di so hang thu hai thi duoc 12,64
tong 2 so bng 10,45 tim 2 so do biet rang neu so hang thu nhat cong voi 4 lan so hang thu 2 thi duoc 22,45
Bai2).
Tong cua hai so bang 15,5. Tim hai so do, biet rang so hang thu nhat cong coi 4 lan so hang thu hai = 42,5.
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 bang 5,79.Tim hai so do,biet rang 5 lan so thu nhat cong voi so thu hai thi bang 10,71
tong 2 so la 7,36.tim hai so biet rang 3 lan so hang thi nhat tru so hang thu hai thi duoc 12,64
tim hai so co tong bang 140 , biet rang neu gap so hang thu nhat len 5 lan va gap so hang thu hai len 3 lan thi tong moi la 508
Tim tong 2 so, biet rang neu so hang thu nhat them 1,23 va so hang thu hai bot 4,56 thi duoc 7,89 [ Mn giup mik voi nha ]
tim 2 so co tong bang 140,biet rang neu gap so hang thu nhat len 5 lan va gap so hang thu hai len 3 lan thi tong moi la 508