bongbong3481

回覆 40# jwong852

7h1r733n

除非話明唔可以用0, 否則leading 0 都應該計埋:

85-06=79+32=111
jwong852 發表於 2016-3-28 11:37

我覺得唔可以leading 0...

arthurkycheung

回覆 39# hihihi123hk

You are right.

I was just simply thinking that:
111=100 + 11

and picking out the right 1-9 for 10th digit (no leading zeros)
and the unit digit (can be zero), equate them and take the answers with unique digits for A-H.