Enter grouped telephone-style records with consistent separators.

Use the subtraction key for each hyphen and verify every group before moving on.

练习输入: telephone groups, -

目标: 99.00% 准确率.

Telephone Groups Guided Entry: 212-555-0147 305-555-0286 404-555-0319 617-555-0452

Telephone Groups Accuracy Review: 202-555-0168 312-555-0245 415-555-0370 512-555-0491 718-555-0526