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мадам8
@мадам8
August 2022
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7 ( 0,5а + 1 ) + 1,5 a - 9 при а =- 0, 8 упростите выражение и вычислите его значение
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wejde
Verified answer
=3,5a+7+1,5a-9=5a-2=5(-0,8)-2=-4-2=-6
34 votes
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77877877877877877
Verified answer
7 ( 0,5а + 1 ) + 1,5 a -9 = 3,5a+7+1,5a-9=5a-2
5*(-0,8)-2=-6
27 votes
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Verified answer
=3,5a+7+1,5a-9=5a-2=5(-0,8)-2=-4-2=-6Verified answer
7 ( 0,5а + 1 ) + 1,5 a -9 = 3,5a+7+1,5a-9=5a-25*(-0,8)-2=-6