设常数<img src="/lqwvjeImg/50/50082cc39c605d7d8c094bc323a48658.png"style="width:40px;height:19px;">,则<img src="/lqwvjeImg/d4/d4540c5adc4854e9992c614c7f21f356.png"style="width:87px;height:41px;">=( )<br>· <img src="/lqwvjeImg/54/5439d78e6b78b4698aa2d68ebf850a77.png"<br>·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/165336238922794ca356b0bfa4c49b938763c04d56123image16.png"

设常数

,则

=( )
·

·<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/165336238922794ca356b0bfa4c49b938763c04d56123image16.png"

出自：华北水利水电大学英语

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