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若a+b=4,则a2+2ab+b2的值是( )
A.8 B.16 C.2 D.4
A. 8 B. 16 C. 2 D. 4
若a+b=4,则a2+2ab+b2的值是
A.
8
B.
16
C.
2
D.
4
A.8
B.16
C.2
D.4