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 1 so co chi hai chu so neu viet them chu so 3 vao ben trai so do ta duoc mot so co 3 chu so gap 5 lan so co hai chu so da cho tim hai so
cho mot so co hai chu so neu viet them chu so 6 vao ben trai chu so da chothi duoc so moi tong cua so moi va so da cho la746 tim 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 hai chu so neu viet them 15 vao ben phai so do thi duoc so moi hon so da cho 2094 don vi tim so do
cho so co hai chu so. neu viet them chu so 1 vao truoc so do ta duoc mot so moi gap 6 lan so da cho. tim so do.
cho mot so co 2 chu so neu viet them so 4 vao ben trai thi ta duoc so moi gap 6 lan so da cho
tim so do
loi giai chi tiet nhe
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