求值log₂(4的7次方×2的5次方)+log₂6-log₂3
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求值log₂(4的7次方×2的5次方)+log₂6-log₂3
![求值log₂(4的7次方×2的5次方)+log₂6-log₂3](/uploads/image/z/15776991-63-1.jpg?t=%E6%B1%82%E5%80%BClog%26%238322%3B%EF%BC%884%E7%9A%847%E6%AC%A1%E6%96%B9%C3%972%E7%9A%845%E6%AC%A1%E6%96%B9%EF%BC%89%2Blog%26%238322%3B6-log%26%238322%3B3)
log₂(4的7次方×2的5次方)+log₂6-log₂3
=log₂(2的14次方×2的5次方)+log₂(6/3)
=log₂(2的19次方)+log₂2
=19+1=20
=log₂(2的14次方×2的5次方)+log₂(6/3)
=log₂(2的19次方)+log₂2
=19+1=20
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