The Math Game Set 4-IN-1, also known as 大数学套装 (Ultimate Math Set), is a "big box" collection featuring four redesigned educational math games aimed at children aged 7 and up. Each game focuses on different aspects of mathematical learning, providing both educational and recreational value. The set includes four distinct games: 争强斗数 (Expanders): Basic addition and subtraction 逻辑九九 (Logic 99): Prime numbers 速算大师 (Mix Match): Mixed operations (addition, subtraction, multiplication, and division) 逻辑对决 (TAGIRON): Overall mathematical and logical skills

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