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11 votes
X2
-
1
In
Out
5
9
-3
-7
7
-20

X2 - 1 In Out 5 9 -3 -7 7 -20-example-1
User Ldgabbay
by
4.7k points

1 Answer

12 votes

Answer:

|4| = |7|

this is the answer of this question

User Jibla
by
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