1, 8, thiab 0 yog tib yam upside down.
3 tus lej zoo li cas?
1, 8, thiab 0 yog tib yam upside down. Vim lawv koom nrog.
Tus lej twg ntawm 1 txog 9 nyob zoo ib yam thaum sau rov qab?
Koj cov lus teb yog 8.
Tus lej twg nyeem tib yam nkaus xwb?
A tus lej strobogrammatic yog tus lej uas nws tus lej yog rotationally symmetric, kom nws zoo li qub thaum tig 180 degrees. Hauv lwm lo lus, tus lej zoo ib yam li sab xis-sab thiab upside down (piv txwv li, 69, 96, 1001).
Yuav ua li cas cov lej no tseem zoo li qub thaum thim rov qab?
Ib tus lej palindromic (tseem hu ua tus lej palindrome lossis tus lej palindrome) yog tus lej (xws li 16461) uas tseem zoo ib yam thaum nws cov lej thim rov qab.