J2 多项式
Flashcard
•
Mathematics
•
8th Grade
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
展开 (3r-4)(7r-5)
Back
21r² - 43r + 20
2.
FLASHCARD QUESTION
Front
以降幂排列下列多项式: 9x² + 5x + 27 + 2x³
Back
2x³ + 9x² + 5x + 27
3.
FLASHCARD QUESTION
Front
求 (3y² + y³ - 5) + (4y² - 4y + 2y³ + 8)
Back
3y³ + 7y² - 4y + 3
4.
FLASHCARD QUESTION
Front
化简 -3x²(7x² - x + 4)
Back
-21x⁴ + 3x³ - 12x²
5.
FLASHCARD QUESTION
Front
(5x+2)(x²-3x+6)
Back
5x³ - 13x² + 24x + 12
6.
FLASHCARD QUESTION
Front
多项式的定义是什么？
Back
多项式是由变量和常数通过加法、减法和乘法组合而成的代数表达式。
7.
FLASHCARD QUESTION
Front
什么是降幂排列？
Back
降幂排列是将多项式的项按其变量的指数从高到低的顺序排列。
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