问题
填空题
命题“互为相反数的两数的和是0”的逆命题是 ,它是 命题.
(填“真、假”)
答案
和是0的两个数是互为相反数,真
逆命题是和是0的两个数互为相反数;根据相反数的意义,知该逆命题是真命题
命题“互为相反数的两数的和是0”的逆命题是 ,它是 命题.
(填“真、假”)
和是0的两个数是互为相反数,真
逆命题是和是0的两个数互为相反数;根据相反数的意义,知该逆命题是真命题
根据对话内容,从对话后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑。选项中有两项多余选项。(共5小题;每小题2分,共10分) —What’s the matter with you, Tom? —Oh, 小题1: Maybe I’ve got a cold. — 小题2: Why don’t you take some coldstop? — 小题3: —That’s what I took the last time I had a cold. 小题4: Maybe that’ll help. —Thanks. (Two days later) —How are you feeling now? —Getting better. — 小题5:
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