若a-b=3,ab=2,则a2+b2=______.
∵a-b=3,ab=2,
∴(a-b)2=9,
∴a2+b2-2ab=9,
∴a2+b2=9+4=13,
故答案为:13.
Her sister suggested _______ to the Great Wall. [ ]
A. go
B. going
C. to go
D. went
行政赔偿要件是()
A.请求人的赔偿必须向赔偿义务机关提出
B.请求人必经有请求权
C.必经在法定期限内提出
D.所提赔偿请求必须是法律规定应赔偿范围之内