Theo đề bài ta có :
ab + 2094 = ab15
ab + 2094 = ab * 100 + 15
2094 - 15 = ab * 100 - ab
2079 = ab * 99
ab = 2079 / 99
ab = 21
21 lam cach ab cho nhanh nho h cho minh nhe
Cho 1 so co 2 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 mot so co hai chu so neu viet them15 vao ben phai so do thi duoc so moi hon so da cho 2094 don vi
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
Cho môt sô neu viet them chu so 0 vao ben phai so do thi duoc so moi hon so da cho 423 don vi tim so da cho
cho mot so tu nhien neu viet them chu so 6 vao ben phai so do ta duoc so moi lon hon so da cho 21192 don vi
tim mot so tu nhien biet neu viet them mot chu so 0 vao tan cung ben phai so do ta duoc so moi hon so phai tim 2574 don vi . so do la
Tim mot so co hai chu so biet rang neu viet them chu so 5 vao ben phaiso do ta duoc so moi lon hon so can tim 725 don vi
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
Giup mình với ag: tim 1 so, biet rang neu viet them chu so 94 vao ben phai thi so do duoc so moi lon hon so phai tim la 1975 don vi
