Bài 1:
1: \(\dfrac{3}{5}\cdot\dfrac{2}{5}\cdot\dfrac{-3}{4}=-\dfrac{9}{50}\)
2: \(1\dfrac{1}{17}\cdot1\dfrac{1}{24}\cdot\left(-5.1\right)=\dfrac{18}{17}\cdot\dfrac{25}{24}\cdot\dfrac{-51}{10}=\dfrac{-45}{8}\)
Đúng 1
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