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PlzNoToxicBan
15.01.2020 •
Mathematics
Verify which of the following are identities.
only the first equation is an identity.
both the equations are identities.
none of the equations are identities.
only the second equation is an identity.
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Ответ:
You see, every even number (2, 4, 6, 8, 10) is going to be negative. Every odd number (1, 3, 5, 7, 9) is going to be positive. Since 123 is odd, the answer is 5.