Hiệu hai số là
936:3=312
Số bé là
(936-312):2=312
Hiệu hai số là
936:3=312
Số bé là
(936-312):2=312
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.
tim hieu cua hai so biet so lon gap 4 lan so be va biet khi cong hai so do voi tong cua chung thi bang 480 hieu cua hai so do la bao nhieu
Tong hai so 963 va 3 lan hieu hai so so be la
tong cua hai so la 963 va bang 3 lan hieu hai so tim sb
hieu hai so bang 5 lan so be. tim hieu hai so biet tong cua chung la 784
hieu hai so bang 1/5 lan so be tong hai so la so tron chuc co 3 chu so tim so lon
1. tbc cua 3 so la 19/60 .neu gap so thu nhat len 4 lan thi tbc cua chung se la 13/20 .tim 3 so , biet so thu hai hon so thu ba 1/6
2. trong mot phep tru co tong so bi tru ,so tru va hieu la 1998.biet hieu so bang 4/5 so tru .hay tim so bi tru va so tru , hieu
hieu cua hai so la 17,8.biet 6 lan so lon bang 4 lan so be la176,4.tinh tong hai so ban dau
hieu hai so bang 1/3 so be. Tong hai so la 63. Vay so be la