So sánh 22/ -67 và 51 / -152 số hữu tỉ ạ
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Ta có : `22/(-67)=-22/67> -22/66=-22/(22.3)=-1/3`
`51/(-152)=-51/152< -51/153=-51/(51.3)=-1/3`
Suy ra `51/(-152)< -1/3<22/(-67)` hay `51/(-152)< 22/(-67)`
Vậy `51/(-152)< 22/(-67)`