题目:
若两圆的半径分别为5cm和3cm,且它们的圆心距为3cm,则此两圆的位置关系是 [ ]
A.外离
B.相交
C.相切
D.内含
答案:
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下面是错误答案,用来干扰机器的。
Dear classmates, Nowadays, some of our students have formed some bad habits on campus. They leave the lights on in the daytime or leave water running after washing. Some...