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Các câu hỏi tương tự
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 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 . so can tim
tim mot so co hai chu so biet neu xen chu so0 vao giua hang chuc va hang don vi thi so do gap len 10 lan neu viet chu so 1 vao ben phai so do thi so moi gap so cu 3 lan
tim so co 2 chu so biet rang neu them chu so 0 xen giua chu so hang chuc va hang don vi cua so ta duoc lon gap 10 lan so da cho neu them chu so 1 vao ben trai so vua nhan duoc thi so do tang lon hon 3 lan
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.
Tìm so co hai chu so biet rang neu ta viet them chu so 2 vao ben trai va ben phai so do ta duoc so moi gap 36 lan so phai tim.
1.tim 1 so biet neu viet them vao ben phai so do co 1 chu so 6 thi ta duoc 1 so moi hon so da cho la 888 don vi
2.cho 1 so co 2 chu so biet neu viet them 1 chu so n vao ca dang truoc va dang sau so do thi ta duoc 1 so moi co 4 chu so . So moi gap 21 lan so da cho . Tim so da cho va so n viet them
tim so co 2 chu so biet rang neu viet xen chu so 0 vao giua 2 chu so cua so do thi ta duoc so do bang 7 lan so phai tim
tim so co hai chu so biet rang neu ta viet hem chu so 1 vao giua ta duoc so moi gap 9 lan so phai tim