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frukttim2012
@frukttim2012
July 2022
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«упростите выражение и найдите его значение при а- -1/3: 3*(0,9а-1,5)-1/2(3а-9)»
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faerol
2,7а-4,5-1,5а-4,5=1,2а-9
при а=-1/3,получается:
-1/3*12/10-9=-0,4-9=-9,4
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при а=-1/3,получается:
-1/3*12/10-9=-0,4-9=-9,4