價格：免費
檔案大小：15.3 MB
版本需求：需要 iOS 8.3 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語, 荷蘭文
Can you do the math under time pressure? Prove it with Marble-Math! You get a pile of marbles with numbers and arithmetic symbols. Above that you’ll see a target number. It's your job to match that number by rapidly tap on the right numbers, and symbols. The more marbles you use, the higher your score. Marble-Math offers four different levels of difficulty, which makes it a brain teaser for any age.
支援平台：iPhone, iPad