Answers

2015-06-24T18:19:17+08:00
64345 - 200 = 64145
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0
2015-06-24T19:39:15+08:00
-64145 Because

that means 200 - 64 345 how to Sole it? I'll show you
  
      just change the minuend to subtrahend and vice versa
      
       64 345
      -     200
     64 145 and add a negative sign -64345 thats how I get it









0
I think your wrong because when you say the word THAN it means exchanging position of the numbers
Yeah