某几何体的三视图如图所示,且该几何体的体积是32,则正视图中的x的值是( )
—I like the photo I took on the beach yesterday. What do you think of it? —Well, really nice!
看拼音,写词语。
ɡǒnɡ xínɡ
ɡuān lì
pí xuē
mó nǐ
xià ɡuì
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“a>b>0”是“ab<a2+b22”的 ( )