挑战习题
1/5单选题
难度:

1.下列各式中,与是同类二次根式的是(  )

A 2
B
C
D
提示1:
IDxpbWcgd2lkdGg9MTcgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNjYvRkYvckJBQ0ZGT1lJX3JpNThRQ0FBQUJlQk1WQVZFNzgzLnBuZyI+PTxpbWcgd2lkdGg9MjUgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQTMvMjMvckJBQ0UxT1lJX3JRcDRROUFBQUJqVmZMTU1zMjEzLnBuZyI+
正确答案:Qw==
6Kej77ya4oi1PGltZyB3aWR0aD0xNyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC82Ni9GRi9yQkFDRkZPWUlfcmk1OFFDQUFBQmVCTVZBVkU3ODMucG5nIj49PGltZyB3aWR0aD0yNSBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9BMy8yMy9yQkFDRTFPWUlfclFwNFE5QUFBQmpWZkxNTXMyMTMucG5nIj48YnI+4oi06YCJQzxicj4=