Cau 1: So doi cua \(\frac{-3}{-4}\) la:
A.\(\frac{-4}{3}\) B.\(\frac{-3}{4}\) C.\(\frac{3}{4}\) D.\(\frac{4}{3}\)
Cau 2 : So nghich dao cua \(-1\frac{1}{7}\) la:
A.\(\frac{-7}{6}\) B.\(\frac{8}{7}\) C.\(\frac{7}{8}\) D.\(\frac{-7}{8}\)
Cau 3: PS lon nhat trong cac PS \(\frac{17}{18};\frac{-5}{61};\frac{-21}{-20};\frac{-33}{2013}\) la:
A.\(\frac{17}{18}\) B.\(\frac{-5}{61}\) C.\(\frac{-21}{-20}\) D.\(\frac{-33}{2013}\)
Cau 4: Ket qua cua \(2-2\frac{3}{4}\) la:
A.\(\frac{-3}{4}\) B.\(\frac{3}{4}\) C.\(\frac{-9}{4}\) D.\(0\)
Giup mik voi , dang can gap nha!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Câu 1: B
Câu 2: D
Câu 3: C
Câu 4: A
Chúc em học tốt!
1B
2D
3C
4A
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