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Mathematics, 29.06.2019 03:00 potatogirl9300

The mean temperature for the first 4 days in january was -3° c. the mean temperature for the first 5 days in january was -2° c. what was the temperature on the 5th day?

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The mean temperature for the first 4 days in january was -3° c. the mean temperature for the first 5...
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