Reach the thumb to 0 while the fingers remain ready over the home row.

Press 0 with the right thumb and return the thumb to a relaxed position below the keypad.

练习输入: 0

目标: 98.00% 准确率.

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Zero Key Accuracy Review: 101 202 303 404 505 606 707 808 909 100 1000 5000 6500