ПОМОГИТЕ СРОЧНО!!!!!!!!!!!ЗДАВАТЬ ЧЕРЕЗ 2 ЧАСА!!!!!!!1
1. Вычислить значение числовых выражений (по действиям) :

1) ( 5 * 0, 6 - 1,4 ) : 4 - 1, 75 * 0, 3 =








2) (2, 18 + 0, 42 : 0, 35 ) * 1,5 - 3, 827 =








2. Решить уравнения
(х + 2,7) – 1,2 = 4,2
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2,15х – 3,5 = 0,8
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6х – 2х + 2,65 = 17,53
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9,14х – 3,78х – 2,87х = 12,45
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