J2 多项式

J2 多项式

Assessment

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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