tim so co 2 chu so biet rang neu viet them chu so 6 vao giua 2chu so co 3 chu so gap 9 lan so can tim
tim mot so co 6 chu so biet rang neu viet them chu so 0 vao giua hang nghin va hang tram thi duoc so moi gap 9 lan so can tim
tim so co 2 chu so biet rang neu viet them chu so 0 vao giua 2 chu so do duoc so co 3 chu so gap 9 lan so da cho
tim so co 2 chu so biet rang neu viet them chu so 1 vao giua 2 so thi ta co so moi gap 7 lan so can tim la 4 don vi
tim so co 2 chu so, biet rang neu ta viet them chu so 1 vao giua 2 so cua so do ta duoc so moi gap so can tim 9 lan. tinh so ban dau
ai giai cho minh cach lam minh se k
tim tat ca cac so co 2 chu so biet rang neu viet them vao giua hai so do mot chu so 3 thi duoc mot so moi gap 11 lan so can tim
tim so co 2 chu so biet rang neu ta viet them chu so 1 vao giua 2 chu so cua so do ta duoc so moi gap 9 lan so phai tim
tim so co hai chu so biet rang neu viet them chu so 0 xen vao giua hai chu so cua so do ta duoc so moi gap 66 lan so can tim.
Gọi số cần tìm là ab
Ta có: a0b=66*ab
100a+b=66*(10a+b)
100a+b=660a+66b
660a-100a+66b-b=0
(660-100)a+(66-1)b=0
560a+65b=0
5(112a+13b)=0
112a+13b=0
112a=-13b
nên ab rỗng
Vậy không có số nào thỏa mãn đề
tim so tu nhien co 2 chu so ,biet rang neu viet them chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim .Neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan.
tim so tu nhien co 2 chu so biet rang neu viet chu so 0 xen giua chu so hang chuc va hang don vi cua so do ta duoc so moi gap 10 lan so can tim . Neu viet them chu so 1 vao ben trai so vua nhan duoc thi so do gap len 3 lan . So can tim la