挑战习题
1/5单选题
难度:

1.下列命题中,属于假命题的是( )
A 三角形三个内角的和等于180°
B 两直线平行,同位角相等
C 矩形的对角线相等
D 对角线相等的四边形是矩形
提示1:
IOagueaNruS4ieinkuW9oueahOWGheinkuWSjOWumueQhuWIpOWumu+8mw==
提示2:
IOagueaNruW5s+ihjOe6v+eahOaAp+i0qOWIpOWumg==
提示3:
IOagueaNruefqeW9oueahOaAp+i0qOWIpOWumg==
正确答案:RA==
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