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中一級 第9章 百分法(一)

Authored by Mathematics CCASS

Mathematics

7th Grade

Used 4+ times

中一級 第9章 百分法(一)
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

圖中,

A

B

C

D

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以百分數表示小數0.16。

0.016%

1.6%

16%

160%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

計算 3 x 1 + 20%。

3.2

6.4

9.6

12.8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個袋中有15個紅色球和35個藍色球。紅色球佔全袋球的百分之幾?

15%

20%

30%

50%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一個電腦的價錢是 $6000,即一部手提電話的價錢的120%。求手提電話的價錢。

$4200

$4600

$5000

5200

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

某城市上月發生48宗交通意外。本月比上月多發生24宗交通意外。求增加的百分數。

30%

50%

80%

150%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

某人上年的高度是120 cm,而今年的高度是135 cm。求某人高度的百分數增減。

–10.5%

+10.5%

–12.5%

+12.5%

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