web4y

web4y
Math Teacher

教育
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A simple game for kids and adults, allowing practice basic math operations.A system of points and limited time to solve the operation adds extra emoti …
Stopwatch free

工具
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Very simple and easy in use stopwatch with big font.Stopwatch can measure time up to 100 hours.Very simple in use, you can touch, hit anywhere to star …
Stopwatch

工具
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Very simple and easy in use stopwatch with big font.Stopwatch can measure time up to 100 hours.Very simple in use, you can touch, hit anywhere to star …
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