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Rimoooooochka
@Rimoooooochka
July 2022
2
16
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упростите выражения 4(3b+2)-2(2b-3)+2b
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Аселя12345
7b+8-4b+6+2b= 5b+14
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DoctorHtml
4(3b+2)-2(2b-3)+2b делим все на 2 получаем
(2(3b+2)-(2b-3)+b)/2 = (3b+2)/2 - (2b-3)/2 +b/2 вследствие получаем (2b+5)/2 = b+5
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DoctorHtml
а ошибка у меня ответ должен быть таков 9b+1
DoctorHtml
опять ошибка
DoctorHtml
в итоге должно так быть 6b+4 - 2b-3 + b = 5b+1
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Answers & Comments
(2(3b+2)-(2b-3)+b)/2 = (3b+2)/2 - (2b-3)/2 +b/2 вследствие получаем (2b+5)/2 = b+5