Решите выражения 1)2(b+7)-3(b+1) 2)8(с-3)+5(с+4) 3)2,4(d+1)-0,6(4d-3). Created by verakhomyachuk. matematika-ru

Решите выражения 1)2(b+7)-3(b+1) 2)8(с-3)+5(с+4) 3)2,4(d+1)-0,6(4d-3)...

verakhomyachuk @verakhomyachuk

July 2022 1 12 Report

Решите выражения
1)2(b+7)-3(b+1)
2)8(с-3)+5(с+4)
3)2,4(d+1)-0,6(4d-3)

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06Джамиля06

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1) 2 (b+7)–3 (b+1)
2b+14–3b–3
–b+11
Ответ: –b+11
2) 8 (c–3) + 5 (c+4)
8c–24 + 5c + 20
13c–4
Ответ: 13c–4
3) 2,4 (d+1)–0,6 (4d–3)
2,4d + 2,4–2,4d + 1,8
Ответ: 4,2

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