Предмет: Математика, автор: polyglotta77

Пожалуйста помогите, нужно подробное решение!!!
Если вы знаете как это решать,то пожалуйста помогите!!!​

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Автор ответа: kriiiistiiiinaaaa
1

28,6 + (-75) - (-3,5) = 28.6 - 75 + 3.5 = - 46.4 + 3.5 = - 42.9

59.8 - (-92.5) - 5.1 = 59.8 + 92.5 - 5.1 = 152.3 - 5.1 = 147.2

80.5 + 99.2 + (-5.8) = 80.5 + 99.2 - 5.8 = 179.7 - 5.8 = 173.9

polyglotta77: спасибо большое за помощь;)
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