Вопрос школьника по предмету Математика
найде среднее арифметическое чисел: 5 и 3, 7 и 9 , 10 и 12, 15 и 17, 30 и 50, 100 и 90, 0,6 и 0,4, 1,2 и 1,8, 0,26 и 0,75.
Ответ учителя по предмету Математика
1)4 2)8 3)11 4)16 5)40 6)95 7)0,5 8)1,5 9)0,505
найде среднее арифметическое чисел: 5 и 3, 7 и 9 , 10 и 12, 15 и 17, 30 и 50, 100 и 90, 0,6 и 0,4, 1,2 и 1,8, 0,26 и 0,75.
1)4 2)8 3)11 4)16 5)40 6)95 7)0,5 8)1,5 9)0,505
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