成绩(m) |
1.50 |
1.55 |
1.60 |
1.65 |
1.70 |
人数 |
2 |
8 |
6 |
4 |
1 |
表中表示成绩的这组数据中,众数和中位数分别是( )
hé | luó | qún | cái |
It's interesting to visit another country, but sometimes there are problems when we don't know the 1 very well. It may be 2 to talk with the people there. We may not know how to use the telephone? In the country we are visiting. We may not know how to buy the 3 we need. In 4 country we might not know where to eat or what to order(点菜)in a 5. It is not easy to decide how 6 to tip(小费) waiters or drivers. When we need help, we might not know how to ask for help. It is 7 to have an experience(经历) like that. 8 a short time, however, we learn what to do and what to 9. We learn to enjoy life in another country, and then we may be 10 to leave there. Do you think so?
如图,BF是∠ABD的平分线,CE是∠ACD的平分线, BF与CE交于G,若∠BDC=140° , ∠BGC=110° , 则∠A的度数为( )