Các câu hỏi tương tự
CHO MOT SO CO HAI CHU SO . NEU VIET THEM CHU SO 7 VAO BEN TRAI SO DO THI DUOC SO MOI. TONG CUA SO MOI VA SO DA CHO LA 846 . TIM SO DA CHO .
CHO MOT SO CO HAI CHU SO . NEU VIET THEM CHU SO 5 VAO BEN TRAI SO DO THI DUOC SO MOI . TONG CUA SO MOI VA SO DA CHO LA 690 . TIM SO DA CHO ?
cho mot so co 3 chu so. biet rang khi viet them chu so 2 vao ben trai so do ta duoc so moi, tong cua so moi va so da cho la 2492. tim so do.
cho so co 2 chu so ma so lon bang 3 lan so be. neu dem so be viet them vao ben phai va ben trai so lon ta duoc hai so moi moi so 4 co 4 chu so. tong cua 2 so co 4 chu so do bang 4848. tim 2 so da cho
tim mot so co 2 chu so.biet rang neu viet them vao ben trai so do mot chu so 3 thi ta duoc so moi ma tong so da cho váo moi bang 414
cho mot so co 2 chu so.Neu viet them chu so 4 vao ben trai so do thi duoc so moi.Tong cua so moi va so da cho bang 570.Tim so da cho
cho mot so. neu viet them vao ben phai so da cho 1 chu so 0 ta duoc so moi. dem so moi chia cho so phai tim ta co phep chia ma tong cua so bi chia , so chia va so thuong la 2199.hay tim so da cho
cho mot so co hai chu so neu viet them chu so hai vao ben trai so dota duoc mot so moi gap6 lan so da cho tim so do
cho 1so,biet rang neu viet them 1 chu so vao ben phai so do thi duoc so moi ma tong cua so da cho va so moi bang 685.hay tim so da cho vachu so viet them