A:y=±3x
B:y=±13x
C:y=±3x
D:y=±33x
Ladies and gentlemen, attention please! I have important to tell you.
读某岛屿简图,完成小题.
对该岛地势特征的描述比较准确的是( )
____×4<25 34>5×____
7×____<30 ____×7<16