A:http://mail.163.com
B:ftp://mail.163.com
C:mailto:mail@163.com
D:file:///mail.163.com
In many parts of China, people _______ the custom of "biting the spring" on the first day of Start of Spring, with spring pancakes and spring rolls eaten.
0.074×0.15=____
0.9÷0.75=____
如图,在矩形ABCD中,P是BC边上一点,连结DP并延长,交AB的延长线于点Q.
(1)求证:△DCP∽△QBP.
(2)若BPPC=13,求ABAQ的值.