Во вложениях.Прошу помочь.
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8/3(3/2a-9/4)+6/5(5/2a-5/6)=4a-6+3a-1=7a-7
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8/3(3/2a-9/4)+6/5(5/2a-5/6)=4a-6+3a-1=7a-7