Ответ:
10a × (1/5b + 1 1/2c - 3 4/5y) = 10a × (1/5b + 3/2c - 19/5y)
= 2a/b + 15ac/2 - 38ay
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Ответ:
10a × (1/5b + 1 1/2c - 3 4/5y) = 10a × (1/5b + 3/2c - 19/5y)
= 2a/b + 15ac/2 - 38ay