定解问题<img src="/lqwvjeImg/3e/3e7af98159da0bcdf46bbd2bfea7ef57.png"style="width:284px;height:70px;">的解是: ( )<br>·<img src="/lqwvjeImg/db/db61ef0d256790cba7fb510ff5707ef9.png"style="width:24px;height:56px;"><br>·<img src="/lqwvjeImg/74/74e08b60dcdd324a3fed1317a6a9f17b.png"style="width:19px;height:27px;"><br>·<img src="/lqwvjeImg/e5/e500c77b5527c5f9237e2bb3b903da9a.png"style="width:20px;height:52px;"><br>·<img src="/lqwvjeImg/c8/c88776d5f7133a389305529fd27b1aa7.png"style="width:12px;height:20px;">