NPC Kid Math

发行商 NPC Unlimited AppTrack Ninja。

Learn to add and subtract. Starts with numbers from zero to 4, and gets more challenging as you get the answers right. Once you have a handle on addition, adds subtraction problems. Expected to be useful before or about first grade (ages 4-7).

分类: Education, Games, Family

的 App Store 排名、截图、估算和类似应用。 NPC Kid Math.