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國中八年級數學:根式大挑戰

Authored by 陳俊友 陳俊友

Mathematics

8th - 12th Grade

Used 2+ times

國中八年級數學:根式大挑戰
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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

時間題:計算 33+233\sqrt[]{3}+2\sqrt[]{3}  的值為多少?

535\sqrt[]{3}  

636\sqrt[]{3}  

565\sqrt[]{6}  

1515  

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪一個根式與 5\sqrt[]{5}  為同類方根?

10\sqrt[]{10}  

15\sqrt[]{15}  

20\sqrt[]{20}  

25\sqrt[]{25}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

計算 25×352\sqrt[]{5}\times3\sqrt[]{5}  的結果為何?

30\sqrt[]{30}  

6565  

656\sqrt[]{5}  

3030  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

計算 18+32\sqrt[]{18}+\sqrt[]{32}  =?

252\sqrt[]{5}  

525\sqrt[]{2}  

727\sqrt[]{2}  

23+422\sqrt[]{3}+4\sqrt[]{2}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

長方形的面積為 125\sqrt[]{\frac{12}{5}}  平方單位,若長為 23\frac{2}{\sqrt[]{3}}  單位,則寬是幾單位?

35\frac{3}{5}  

155\frac{\sqrt[]{15}}{5}  

355\frac{3\sqrt[]{5}}{5}  

365\frac{3\sqrt[]{6}}{5}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有一個正方形,面積為 4040  ,則此正方形的周長為?

16516\sqrt[]{5}  

858\sqrt[]{5}  

161016\sqrt[]{10}  

8108\sqrt[]{10}  

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

化簡 12\sqrt[]{12}  為最簡根式。

323\sqrt[]{2}  

232\sqrt[]{3}  

12\sqrt[]{12}  本身就是最簡根式

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