112-1_G8M_1-2多項式加法

112-1_G8M_1-2多項式加法

8th Grade

10 Qs

quiz-placeholder

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112-1_G8M_1-2多項式加法

112-1_G8M_1-2多項式加法

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

計算(-1+2x2+3x)+(x2-3x-6)。

-3x3-8x2+2x-5

3x2-7

11x2+12x-6

9x2+7x-6

9x2-6x

2.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

計算(7x-5)+(9x2-1)。

-3x3-8x2+2x-5

3x2-7

11x2+12x-6

9x2+7x-6

9x2-6x

3.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

計算(6x2-2x+5)+(3x2-5-4x)。

-3x3-8x2+2x-5

3x2-7

11x2+12x-6

9x2+7x-6

9x2-6x

4.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

計算(-7x2+2x-6x3)+(3x3-x2-5)。

-3x3-8x2+2x-5

3x2-7

11x2+12x-6

9x2+7x-6

9x2-6x

5.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

計算(5x2-2+9x)+(6x2+3x-4)。

-3x3-8x2+2x-5

3x2-7

11x2+12x-6

9x2+7x-6

9x2-6x

6.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

計算(8x2-2x+3)+(-9x2+7x-6)。

11x2-x-1

-x3-6x2-5x+3

5x2-4x-8

9x2+x+6

-x2+5x-3

7.

MULTIPLE CHOICE QUESTION

5 mins • 10 pts

計算(-5x3+2-6x2)+(4x3-5x+1)。

11x2-x-1

-x3-6x2-5x+3

5x2-4x-8

9x2+x+6

-x2+5x-3

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