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AnnaB2004
@AnnaB2004
July 2022
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Упростите выражение и найдите его значение:
2(0,3b+5)+1,4b при b=4
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KIRuhan2
2(0,3b+5)+1.4b = 0.6b+10+1.4b = 2b+10
при b = 4
2*4+10=8+10=18
2 votes
Thanks 4
АринаАринина
Раскроем скобки
0,6b + 10 + 1,4b
2b + 10
2 (b+5)
2 (4+5)
2 (9)
18
Ответ: 18
2 votes
Thanks 3
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Answers & Comments
при b = 4
2*4+10=8+10=18
0,6b + 10 + 1,4b
2b + 10
2 (b+5)
2 (4+5)
2 (9)
18
Ответ: 18