Abacus 100 is simple math tool that can be use for do calculation exercise with abacus and 100 beads. With display number value, its will be assist childrens who firstly use abacus and do basic math calculation with it. Let try and have fun
Abacus 100是一个简单的数学工具,可用于算盘和100珠子的计算练习。使用显示数值,它将帮助首先使用算盘并使用它进行基本数学计算的儿童。让我们一起玩吧