Mathematics

Mathematics, 18.09.2019 21:10, najerajulio

Which of the following expressions is incorrect?
-121 = 12
-1-121 = -12
-1121 = 12
1121 = 12

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Answers: 2

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Do you know the correct answer?

Which of the following expressions is incorrect?
-121 = 12
-1-121 = -12
-1121 = 1...

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