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tim 2 so biet tong cua chung = 257 va neu them vao so lon 13 don vi so be 9 don vi thi duoc 2 so moi co ti so = 1,25 tim so
aj nhanh to so t chi that nhjeu
cho 2 so co tong bang 702 biet neu them vao so be 11 don vi va so lon 15 don vi thi duoc 2 so moi co ti so la 2,25 tim so lon
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.
hai so co tong la 57,3 neu them vao so lon 2,5 don vi va bot o so lon di 1,2 don vi thi duoc 2 so co tong la 79,8
hai so co tong la 270 so lon hon so be 30 don vi neu tang so be them 72 don vi thi phai them vao so lon bao nhieu don vi de ty so moi van bang ty so cua hai so ban dau
Tong cua 2 so la: 9175. Sau khi them vao so lon 113 don vi va bot o so be 96 don vi thi duoc hai so moi co hieu la 348.Tim hai so do.
hai so co tong la 270 so lon hon so be 30 don vi neu tang so be them 72 don vi thi phai them vao so lon bao nhiêu don vị de ty so cua hai so moi van bang ty so cua hai so ban dau
hieu hai so la 6,9tim hai so do biet rang neu them vao so be 2,5 don vi va bot o so lon di1,2 don vi thi duoc hai so co tong la 79,8
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