當某數增加 22%,它變成 6344。求原數。
百分法 2

Quiz
•
Mathematics
•
8th - 12th Grade
•
Hard
朱 永軒
Used 11+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4948.32
5200
5260
5310
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
嘉雯在 2012 年收到的花紅是 $20 000。嘉雯收到的花紅在 2013 年增加了 5%,而在 2014 年減少了 3%。嘉雯在 2014 年收到的花紅是
$21000。
$20400。
$20370。
$19400。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某公司的盈利在 2018 年至 2019 年間減少了 10%,而在 2019 年至 2020 年間減少了 8%。若該公司在 2020 年的盈利是 $380880,求該公司在 2018 年的盈利。
$448 000
$452 000
$460 000
$465 000
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某主題樂園去年的成人遊客人數和小童遊客人數分別是 126000人和165000人。今年,成人遊客人數減少了 5%,而小童遊客人數增加了 3%。該主題樂園今年的總遊客人數是多少人?
279750
285180
289650
302250
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一隻手錶現值 $38 000。若它的價值每季上升 2%,求該手錶兩年後的價值。
$43 025(準確至最接近的元)
$43 886(準確至最接近的元)
$44 523(準確至最接近的元)
$46 317(準確至最接近的元)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
某城巿的平均氣溫每年上升 0.5%。該城巿在 2018 年的平均氣溫是 24.4°C。求該城巿在 2015 年的平均氣溫。
24.0°C (準確至最接近的 0.1°C)
24.1°C (準確至最接近的 0.1°C)
24.2°C (準確至最接近的 0.1°C)
24.3°C (準確至最接近的 0.1°C)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
家賢兩年前用 $6500買了一部手提電話。該部手提電話的價值每半年下跌 6%。求該部手提電話的現值值。
$4900 (準確至三位有效數字)
$5070 (準確至三位有效數字)
$5150 (準確至三位有效數字)
$5420 (準確至三位有效數字)
Create a free account and access millions of resources
Similar Resources on Quizizz
10 questions
0607直播題

Quiz
•
6th - 8th Grade
10 questions
3下 2-1 資料的分析

Quiz
•
9th Grade
10 questions
捨入(2)_有效數字

Quiz
•
8th Grade
8 questions
斜率

Quiz
•
6th - 9th Grade
10 questions
Zu Chongzhi 祖沖之

Quiz
•
6th - 8th Grade
10 questions
畢氏定理的應用

Quiz
•
7th - 8th Grade
13 questions
條件機率

Quiz
•
11th Grade
10 questions
2下 1-3 等比數列

Quiz
•
8th Grade
Popular Resources on Quizizz
15 questions
Character Analysis

Quiz
•
4th Grade
17 questions
Chapter 12 - Doing the Right Thing

Quiz
•
9th - 12th Grade
10 questions
American Flag

Quiz
•
1st - 2nd Grade
20 questions
Reading Comprehension

Quiz
•
5th Grade
30 questions
Linear Inequalities

Quiz
•
9th - 12th Grade
20 questions
Types of Credit

Quiz
•
9th - 12th Grade
18 questions
Full S.T.E.A.M. Ahead Summer Academy Pre-Test 24-25

Quiz
•
5th Grade
14 questions
Misplaced and Dangling Modifiers

Quiz
•
6th - 8th Grade
Discover more resources for Mathematics
30 questions
Linear Inequalities

Quiz
•
9th - 12th Grade
20 questions
Inequalities Graphing

Quiz
•
9th - 12th Grade
10 questions
Identifying equations

Quiz
•
KG - University
20 questions
Solving Linear Equations for y

Quiz
•
9th - 12th Grade
11 questions
Graph Match

Quiz
•
9th - 12th Grade
16 questions
Function or Non-Function?

Quiz
•
8th - 10th Grade
15 questions
Exponent Properties

Quiz
•
7th - 9th Grade
20 questions
Circles & Polygons 2025

Quiz
•
8th Grade