If r, s, t are different 1-digit positive integer and (ab) is defined as 2-digit integer such that a is the tens digit and b is the units digit, t=?
1) The product of s and (rs) is (st)
2) The sum of s and (rs) is (rt)
* A solution will be posted in two days.
1) The product of s and (rs) is (st)
2) The sum of s and (rs) is (rt)
* A solution will be posted in two days.
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