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if you mean how to subtract them i could help there

   223
-  119
----------
   104
cross out the 3 and make it a 13 cuz u cant subtract 9 from three,then subtract 13 from 9 to get 4,then go over to the 2 -1 but sense you borrowed from the two to make the 3 13 that becomes a 1-1 so u get 0 and then the next digit which is 2-1 to get 1. so ur answer will be 104. hope i helped :)
U going subtract from the hundreds place FRIST
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