(You cannot use brackets. You cannot combine digits)
Make these equations correct by using mathematical operations:
Numbers 2, 4, 8, 16, 32, 64, 128, 256 and 512 arrange in the cells of the table 3x3 such that the multiplication of all number in rows, columns and diagonals is the same.
Solve this equation: T – W – O = T ÷ W ÷ O = 2 (different letters are different numbers).
Which number is 7 times more than its last digit.
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