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What is the smallest umber of digits which have to be changed in the equation 1234 x 5 = 6789

Mathematics
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What is the smallest number of digits which have to be changed in the equation 1234 x 5 = 6789 to put it right?

Sep 22nd, 2014

12 x 483 = 5796
42 x 138 = 5796
18 x 297 = 5346
27 x 198 = 5346
39 x 186 = 7254
48 x 159 = 7632
28 x 157 = 4396
4 x 1738 = 6952
4 x 1963 = 7852
Reference:

http://www.worldofnumbers.com/ninedig1.htm


Sep 22nd, 2014

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