Asked by Karla
in the following addition problem, each letter stands for a different digit.
Find the value of X, Y, and Z
XYZ
+ ZYX
_______
YYZY
Find the value of X, Y, and Z
XYZ
+ ZYX
_______
YYZY
Answers
Answered by
bobpursley
xyz
zyx
*****
yyzy
Notice the leading digit y. It has to be 1. Think why. Now look at the middle digit of each number.It is 1. the last digit of the answer is 1.
What does that mean: Z+x=11
and then on the answer (y+y+carry 1)=3, so z=3
we have now as the puzzle
x13
31X
1131
and finally, x has to be 8.
zyx
*****
yyzy
Notice the leading digit y. It has to be 1. Think why. Now look at the middle digit of each number.It is 1. the last digit of the answer is 1.
What does that mean: Z+x=11
and then on the answer (y+y+carry 1)=3, so z=3
we have now as the puzzle
x13
31X
1131
and finally, x has to be 8.
Answered by
kiki
zyzy
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