举报
第6题的答案是不是B才对呢?
明早就要去考了,现在心里七上八下的
感谢你的分享了
4.(DS)is m^n a perfect square?(1)m is a perfect square(2)n is a perfect square
Answer:A
Should be C
7.(PS)triangeABC, perimeter is 18 cm, AB is 4 cm longer than twice of BC, AB is twice of AC, how long is BC?
Answer:5(although everyone knows that 10, 5, 3 cannot constitute a triangle, so foolish question)
should be 3
I think 4 is A,有条件说都是integer的,我补上
第7题我是写错了哈,求的是AC,我把它改来,谢谢你
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