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Mathematics, 10.11.2020 22:30 rileyeddins1010

Which statement is true? The sum of 78 and 87 is zero.

The sum of 78 and −87 is zero.

The sum of 78 and 78 is zero.

The sum of 78 and −78 is zero.

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Which statement is true? The sum of 78 and 87 is zero.

The sum of 78 and −87 is zero.
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