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July 2022
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найти значение выражения (a-2 3/11)-(b+1 9/11),если а=7 4/11,b=2 7/11
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prettypushkova
Verified answer
Раскроем скобки и упростим:
= а - 2 3/11 - b - 1 9/11 = a - b - (2 3/11 + 1 9/11) = a - b - 3 12/11 =
= a - b - 4 1/11
если а = 7 4/11, b = 2 7/11
7 4/11 - 2 7/11 - 4 1/11 = 7 4/11 - (2 7/11 + 4 1/11) = 7 4/11 - 6 8/11 =
= 6 15/11 - 6 8/11 = 7/11.
Ответ: 7/11.
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Answers & Comments
Verified answer
Раскроем скобки и упростим:= а - 2 3/11 - b - 1 9/11 = a - b - (2 3/11 + 1 9/11) = a - b - 3 12/11 =
= a - b - 4 1/11
если а = 7 4/11, b = 2 7/11
7 4/11 - 2 7/11 - 4 1/11 = 7 4/11 - (2 7/11 + 4 1/11) = 7 4/11 - 6 8/11 =
= 6 15/11 - 6 8/11 = 7/11.
Ответ: 7/11.