Ò»¡¢Ñ¡ÔñÌ⣺±¾´óÌâ¹²8СÌâ,ÿСÌâ5·Ö,¹²40·Ö.ÔÚÿСÌâÁгöµÄËĸöÑ¡ÏîÖÐ,Ñ¡³ö·ûºÏÌâÄ¿ÒªÇóµÄÒ»Ïî.
1.ÒÑÖª¼¯ºÏ £¬ £¬Ôò £¨ £©
A£® B£® C£® D£®
2.ÒÑÖªµÈ²îÊýÁÐ µÄÇ° ÏîºÍΪ £¬ £¬ £¬Ôò µÄֵΪ£¨ £©
A£®1 B£®3 C£®10 D£®55
3.Èô £¬ÔòÏÂÁв»µÈʽÕýÈ·µÄÊÇ£¨ £©
A£® B£®
C£® D£®
4.Ö´ÐÐÈçͼËùʾµÄ³ÌÐò¿òͼ£¬ÔòÊä³öµÄ ֵΪ( )
A£®91 B£® 55 C£®54 D£®30