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arithmetic progression [arithmetic progressions]▼◼◼◼noun[UK: ə.ˈrɪθ.mə.tɪk prə.ˈɡreʃ.n̩] [US: ˌe.ˌrɪθ.ˈme.tɪk prə.ˈɡreʃ.n̩]
arithmetic sequence▼◼◼◼
arithmetic series▼◼◼◻
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