Consider the sequence of 9 non zero distinct digits arranged in a 3 by 3 grid , like
547
398
162
Clearly there are 9! (=362880) ways to do it.
If we demand that the consecutive numbers are next-door neighbours
( horizontally or vertically) like
167
258
349
then the number is significantly lower, say N.
Find N & provide your reasoning.
The key point of the content of education is the level of training of specialists of the reference service, the state of the material, technical and scientific base. The potential of education in terms of
empire essay directions is significantly formed under the influence of socio-economic education.
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