What's 2019 * 91?
Level
2
If all (x, y, z) is the root of the following identity, what is 2109 * 91? 1: x * x = 0 2: (x * y) + z = x * (y * z)
The answer is 2018.
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1 solution
The symbol, * is same as the - in the mathmatical symbol. so if you do 2109 - 91, you get 2018