求翻译：今天没发生什么特别或有趣的事。不过今天我们考数学，老师没来就是了。代课老师在上面画了三角形或长方形，求它们的面积和边长。这些还好点，就是立方的好难啊。我完全搞不懂哪的是prism，哪个是cylinder。唉，数学就是难，不属于我这种头脑简单的。是什么意思？

What did not happen today, something special or interesting. But today we math test, the teacher did not come it wants. Substitute teacher in the above picture of the triangle or rectangle, the area and seek their side. The better point is cubic so hard ah. I totally do not understand what is the pr

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Today has not had any specially or the interesting matter.But we test mathematics today, teacher have not come and that's the end.Served as a substitute teacher teacher to draw the triangle or the rectangle in above, asked their area and the length of side.These select fortunately, is the cube good

What special or interesting things didn't happen today. But today we study mathematics, the teacher didn't come shot. Substitute teacher drew a triangle or rectangle above, seek their area and length. Fortunately, these points is the cube of good hard. I do not understand what is Prism, which is the

What special or interesting things didn't happen today. But today we study mathematics, the teacher didn't come shot. Substitute teacher drew a triangle or rectangle above, seek their area and length. Fortunately, these points is the cube of good hard. I do not understand what is Prism, which is the