图中哪些角是相等的?
A. playground B. library C. classroom D. canteen E. garden |
It is the school.
It's Monday today. I have six subjects today. In the morning, I have Chinese, Math, Art and English. In the afternoon, I have Music and PE. We go to school from Monday to Friday. We have no class on Saturday and Sunday. So I like to watch TV on Saturday. On Sunday I often go to the park. My week is wonderful. What about your week?
一个三角形中最多有一个钝角。
160490≈万 745000000≈亿
326500≈万 209980000000≈亿
水星至太阳的平均距离是57910000千米,57910000省略千万位后面的尾数约是.