问题标题:
数学根式加减2a²根号2a+15a²根号2a
问题描述:
数学根式加减
2a²根号2a+15a²根号2a
吕明伦回答:
2a²根号2a+15a²根号2a=
(2a²+15a²)根号2a=
17a²根号2a
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数学根式加减
2a²根号2a+15a²根号2a