tong cua 2 so bang 68,9 biet neu tang so thu nhat them 20% so thu 2 them 50% thi tong 2 so la 95,4 tim 2 so
tong 2 so bang 71,9.neu tang so thu nhat them 20% va so thu 2 them 30% THI TONG MOI BANG 88,62. tim 2 so do
tong 2 so bang 71,9 neu tang so thu nhat them 20% va so thu hai tang them 30% thi tong bang 88,62.Tim 2 so do?
tong 2 so bang 71,9 neu tang so thu nhat them 20% va so thu hai tang them 30% thi tong se bang 88,62. tim hai so do.
tong 2 so bang 71,9 neu tang so thu nhat them 20 phan tram va so thu 2 tang them 30 phan tram thi tong se bang 88,62 . tim hai so
Tong 2 so bang 2017.Biet neu giam so thu nhat di 20% va tang so thu hai len 30% thi tong luc nay la 2108,85.Tim so thu nhat ?
hieu cua 2 so la 4,4.neu tang them so thu nhat 4,2 thi tong 2 so la 20,6.tim hai so do.
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 cua ba so bang 20,09 neu so hang thu nhat tang them 1,01 so hang thu hai tang them 2,09 va so hang thu ba tang them 3 don vi thi duoc tong moi la bao nhieu