Mathematics, 31.08.2019 10:00 stump76

Marcos added +12 + -11 and got the answer -1. what error did marcos make?
he found the difference of the numbers instead of the sum.
he divided the integers.
he chose the incorrect sign for the sum.
he multiplied the integers.

Answers: 1

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Marcos added +12 + -11 and got the answer -1. what error did marcos make?
he found the differ...

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Marcos added +12 + -11 and got the answer -1. what error did marcos make? he found the difference of the numbers instead of the sum. he divided the integers. he chose the incorrect sign for the sum. he multiplied the integers.

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Marcos added +12 + -11 and got the answer -1. what error did marcos make?
he found the difference of the numbers instead of the sum.
he divided the integers.
he chose the incorrect sign for the sum.
he multiplied the integers.