从1、2、3、4、5五个数字中有放回的任取3个数字,3个数字都不相同的概率为(0.48)。______
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Choose the syllable you hear 浏览器不支持音频
A. pán
B. fán
C. hán
Write down the syllables you hear. eg. You hear jì zhě ,you can input ji4 zhe3, with numbers for tone marks. 浏览器不支持音频 ______
Choose the syllables you hear 浏览器不支持音频
A. zháo jí
B. zhuō jì
C. zuò jī
Choose the syllables you hear浏览器不支持音频
A. xuǎn zé
B. shuān zhe
C. suàn zǐ