本课配套习题挑战模式1/5

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单选题
难度系数:

1.分式的最简公分母是()
A: 5abx
B: 15ab
C: 15abx
D: 15ab
  • 提示15YiG5byP55qE6YCa5YiGLjEu5Y+W5ZCE5YiG5q+N57O75pWw55qE5pyA5bCP5YWs5YCN5pWw77ybMi7lh6Hlh7rnjrDnmoTlrZfmr43miJblkKvmnInlrZfmr43nmoTlm6DlvI/kuLrlupXnmoTluYLnmoTlm6DlvI/pg73opoHlj5bvvJvjgIDjgIAzLuebuOWQjOWtl+avjeaIluWQq+Wtl+avjeeahOWboOW8j+eahOW5gueahOWboOW8j+WPluaMh+aVsOacgOWkp+eahO+8m+OAgDQu5bCG5LiK6L+w5Y+W5b6X55qE5byP5a2Q6YO95LmY6LW35p2l