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tim so be nhat sao cho khi viet so do vao ben phai so 2009 thi duoc so co sau chu so chia het cho 152.
Tim so be nhat khi viet vao ben phai 2009 thi duoc so chia het cho 152
a} trong mot phep chia co du, so chia la 38, thuong la 57 va so du la so du lon nhat co the co trong phep chia nay. tim so bi chia.
b} tim mot chu so sao cho khi viet chu so do vao ben phai so 2009 thi duoc so co nam chu so chia het cho 16.
a} trong mot phep chia co du, so chia la 38, thuong la 57 va so du la so du lon nhat co the co trong phep chia nay. Tim so bi chia.
b} tim mot chu so sao cho khi viet chu so do vao ben phai so 2009 thi duoc so co nam chu so chia het cho 16.
tim so co 4 chu so ,biet neu viet them chu so 5 vao ban phai so do thi co gia tri gap 5 lanso nhan duoc sau khi viet them chu so 1 vao ben trai so phai tim
tim so co bon chu so bietrang khi viet viet them chu so 5 vao ben phai so do thi duoc so moi hon so phai tim 18113 don vi
tim so co 3 chu so,biet rang khi viet them chu so 1 vao ben trai so do thi duoc so co 4 chu so gap 9 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 tu nhien co 4 chu so biet rang khi viet them chu so 7 vao ben phai so do thi duoc so co 5 chu so lon hon so phai tim11212 don vi