document.write( "Question 1096043: The interiors of all unit squares of a 10 by 10 board are to be painted. Any two squares that have a side in common will be painted with a different colour of paint. What is the least number of colours that will be needed? \n" ); document.write( "
Algebra.Com's Answer #710494 by ikleyn(52864)\"\" \"About 
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