1. Prove that the value of the expression a^2–a is divisible by 2 for any whole value of a.
2....
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Mathematics, 31.03.2020 00:48 lizziesuks
1. Prove that the value of the expression a^2–a is divisible by 2 for any whole value of a.
2. Prove that the sum of three consecutive exponents of the number 2 is divisible by 14.
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