题目内容:
设a.b为两实数,则下列命题中是假命题的是( )。
A.若a+b=0,则|a|=|b| A.若a+b=0,则|a|=|b|
A.若a+b=0,则|a|=|b|
B.若|a|+|b|=0,则a=b=0
B.若|a|+|b|=0,则a=b=0
B.若|a|+|b|=0,则a=b=0
C.若a2+b2=0,则a=b=0
C.若a2+b2=0,则a=b=0
C.若a2+b2=0,则a=b=0
D.若|a+b|=0,则a=b=0
D.若|a+b|=0,则a=b=0
D.若|a+b|=0,则a=b=0
参考答案:
答案解析: