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Addition and Subtraction icon

Addition and Subtraction

Practice simple addition and subtraction expression

Users18Current public install base
Rating--Store average score
Reviews0Public review volume
Manifest versionV3Extension platform version
7-day growth+4Net users gained this week
7-day growth rate+28.6%Relative weekly velocity
Preview

Addition and Subtraction Media preview

4 assets
Trend

User growth trend

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User Growth Over Time

18181920202026年7月15日2026年7月18日2026年7月21日Latest: 18
Rating trend

7-day rating trend

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Growth overview

Daily, weekly, and monthly growth

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1-day growthDeclining
-1-5.26%
7-day growthGrowing
+4+28.6%
30-day growthGrowing
+3+20%
Technical snapshot

Version, languages, and crawl freshness

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Version1.2
ManifestV3
Size416KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview

Product summary

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Addition and subtraction is a browser extension that helps you practice simple addition and subtraction expression. It is like a quiz extension.

FEATURES

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- Quick random expressions

- Easy, Medium, Hard, and Custom modes

- Addition, Subtraction, or random operations

Reviews

Recent review snapshot

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Store average score--Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average--Average computed only from synced review bodies below
Reviews with text0Synced review bodies
Total ratings / reviews0Chrome Web Store public rating/review count

Store average score: --. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5★
0
4★
0
3★
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2★
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1★
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