七彩英语音标 im Vergleich zu Speed Math 24 Nutzung und Statistiken

Workout your brain! Become a Speed Math Genius! Use simple arithmetic operators ( + - x / ）and the 4 numbers provided in any order to calculate the target number. e.g. (7 - (6/8)) x 8 = 50 Compete with yourself or others and see who has the fastest brain!