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Автор - lndn

Найдите значение выражения предварительно упростите его 0,2*(а+6)-11 при а=-7

Ответ

Автор - ButeRB
0,2а + 1,2 -11= 0,2а -9.8
при а=-7 получим  -7*0.2-9.8=-1.4+1.2=-0.2

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