sherlock19
26.08.2019 •
Mathematics
2(2a + b) + 8, except
4a + 2b + 8
2(2a + b + 4)
4(a + b + 2)
4a + 2(b + 4)
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Ответ:
Ответ:
45p
Step-by-step explanation:
2w+3f=2.55
w=f+15p
2w=2f+30p
2f+3f+30p=2.55L
5f+30p=255p
5f=255-30
5f=225p
f=225/5=45p