Отметь формулу алкина:
C7H8
C7H16
C3H4
C5H10

Выбери ряд(-ы), в котором(-ых) записаны формулы диеновых углеводородов:
C2H4,C10H20,C8H16
C3H4,C10H18,C8H14
C4H10,C5H12,CH4
C6H6,C3H6,C2H6
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