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8上數學1-1

Authored by 陳小竹 陳小竹

Mathematics

8th Grade

8上數學1-1
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6 questions

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1.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

利用分配律(a+b)×c,計算下列各式的值。

35×99=_______

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

利用分配律(a+b)(c+d)=ac+ad+bc+bd,計算下列各式的值。

(x-3)(x+5)=

X2+2X-15

X2-2X-15

X2+2X+15

X2-2X-15

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

利用分配律,計算下列各式的值。

 (2x-6)(x-4) =

2x2-14x+24

2x2+14x+24

2x2-14x-24

2x2-14x-24

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

利用分配律,計算下列各式的值

(6x-5)(2x-1)=

12x2-16x+6

12x2+16x+6

12x2-16x-6

12x2+16x-6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

利用分配律(a+b)(c+d)=ac+ad+bc+bd,計算下列各式的值。

1232-123×23=

12300

12309

13200

12390

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

利用分配律(a+b) × c = ac + bc 或 ( a-b ) × c = ac-bc,計算下列各式的值。

1232 + 123 × 77 =

24600

24601

26400

26401

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