100° 12′ 36〃=100,21°
1°=60'
1'=60〃
36〃=0.6'=0.01°
猜你喜欢
- 1三条直线x+y-2.x-y=0.x+ay=3能围成三角形,求a的取值范围
- 2两个不相等的实数m,n满足m^2-6m=24,n^2-6n=4,则mn的值
- 3已知各项均为正数的数列{an}的前n项和为Sn,满足Sn=(an²+an)/2,(1)求a1,a2,a3的值;
- 4有12袋糖果,其中有11袋质量相同,另有1袋质量不足.用天平至少称( )次才能保证找出这袋轻的糖果来. A.1 B.2 C.3 D.4
- 5两个书架一共放书360本,如果从第一个书架取出1/4放入...
- 6用英语 零下6摄氏度怎么说
- 7she didn't think it was strange,_____?
- 8It's (30 minutes' ride)from my home to my school.对括号部分提问()()()it from your home to your
- 9英语翻译
- 10霍金先生的是何时出版的?