Reach the keypad addition key with the little finger and return to the working position.

Keep the first three fingers aligned with their columns while the little finger performs the operator reach.

练习输入: +

目标: 99.00% 准确率.

Addition Key Guided Entry: 12+8 25+17 104+36 250+75 608+192 1450+550

Addition Key Accuracy Review: 47+28 136+64 509+291 725+185 1204+896 3750+1250 8406+594