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Mathematics, 22.07.2021 07:00 davia97

Khẳng định sau đúng hay sai 1.nếu a+3>b+3 thì -2a<-2b
2.tam giác cân này có góc ở đỉnh bằng góc ở đỉnh tam giác cân kia thì hai tam giác cân này đồng dạng

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Khẳng định sau đúng hay sai 1.nếu a+3>b+3 thì -2a<-2b
2.tam giác cân này có góc ở đỉnh...

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