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about sudoku
(first row 3142)
3x= 1X3X1 - only option, - "3" and "1".
6X=2X3 or 3X2 - 2x3, because you already have "3" in row.
you have 3,1,...,2 = third number is "4".
first row 3142
(second row 1--3)
"1" is from 1x3x1 and "3" from 2x3
you have to put "2" and "4" to the right place, "4" can not be in third place, accordingly 1-4-2-3
now you have
3-1-4-2
1-4-2-3
third row: 7+ = 4+2+?, "1" of course. (- - 1 -)
third column, last number is "3".
12x= ?x?x3, 4x1x3 or 1x4x3, 4x1x3 is right (- - 1-4)
24x= 4x?x?, 4x3x2 or 4x2x3, 4x3x2 is right(-3-1-4), and first number is..."2"
first row 3142
second 1423
third row 2314
last row 4231
hope it helps.
about sudoku

(first row 3142)
3x= 1X3X1 - only option, - "3" and "1".
6X=2X3 or 3X2 - 2x3, because you already have "3" in row.
you have 3,1,...,2 = third number is "4".
first row 3142
(second row 1--3)
"1" is from 1x3x1 and "3" from 2x3
you have to put "2" and "4" to the right place, "4" can not be in third place, accordingly 1-4-2-3
now you have
3-1-4-2
1-4-2-3
third row: 7+ = 4+2+?, "1" of course. (- - 1 -)
third column, last number is "3".
12x= ?x?x3, 4x1x3 or 1x4x3, 4x1x3 is right (- - 1-4)
24x= 4x?x?, 4x3x2 or 4x2x3, 4x3x2 is right(-3-1-4), and first number is..."2"
first row 3142
second 1423
third row 2314
last row 4231

hope it helps.
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