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Sharper IQ

Sharper IQ is based on dual n-back, a simple brain fitness exercise. Dual n-back improves fluid intelligence, the ability to reason quickly and think ...

math

Simple multiplication application. Perfect for your kids to learn multiplication.免費玩math APP玩免費免費玩math Appmath APP LOGOmath APP QRCode熱門國家系統支援版本費用APP評...