Số đó là :( 1761 - 6 ) : ( 10 -1 ) = 195
k nha
hihi cuoi cung cung giai dc ui
dap an la 195
thu lai 1956-195=1761 dung ko
k jup minh nhe
tim mot so tu nhien co ba chu so , biet neu viet them chu so 6 vao ben phai so do thi duoc so moi hon so phai tim 1761
tim mot so tu nhien co 3 chu so biet rang neu viet them chu so 7 vao ben phai so do thi duoc so moi hon so phai tim la 1222 don vi
Tim môt sô co 4 chu so biet rang neu viet them chu so 6 vao ben phai so do thi duoc so moi lon hon so phai tim 1 7 6 1 don vi
tim 1 so tu nhien biet neu viet them 1 chu so 4 vao ben phai so do ta duoc so moi hon so phai tim 1786 don vi
tim 1 so tu nhien biet rang neu viet them 1 chu so 4 vao ben phai so do ta duoc so moi hon so phai tim 1786 don vi
Tim 1 so biet rang neu viet them chu so 0 vao ben phai so do thi duoc so moi lon hon so phai tim la 6417 don vi
Tim mot so tu nhien biet neu viet them chu so 4 vao Ben phai so do ta duoc so moi hon so phai Tim 1786 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 4212 don vi
Cho mot so tu nhien neu viet them 1 so 2 chu so khac 0 vao ben phai thi duoc so moi lon hon so do 1993 don vi Tim so da cho
